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Maths Assertion (A) & Reason (B) MCQ

Square and Square Roots · Jharkhand Board (JAC) STD 8 (Jharkhand - English Medium). 60 questions.

Questions

Assertion (A) & Reason (B) MCQ

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60 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): The perfect square number out of $2, 3, 4$ and $5$ is $4.$
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A.$
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MCQ 21 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): The number of zeros in the square of the number $100$ is $4.$
 Reasons (R): The number of zeros at the end of the number obtained, by multiplying the number from $1$ to $100$ will be.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A.$
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MCQ 31 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The number of zeros in the square of the number $9000$ is $6$.
 Reasons $(R)$: The number of zeros at the end of the number obtained, by multiplying the number from $1$ to $100$ will be.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 41 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s)$ $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The Square of the following numbers will be odd $81$.
Reasons $(R)$: An odd number is an integer when divided by two, either leaves a remainder or the result is a fraction.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 51 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $2644$ is $4$
 Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 61 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: A perfect square number between $30$ and 40 is $36$.
Reasons $(R)$: A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 71 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: Natural numbers lie between $12^2$ and $13^2$ are $24$.
Reasons $(R)$: Natural numbers are the positive integers or non-negative integers which start from $1$ and ends at infinity.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
     
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
     
  • C
    $A$ is true but $R$ is false.
     
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
 
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 81 Mark
Directions: In the following questions, the Assertions $(A) $and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: If $102 = 100$, then the square root of $100$ is $10$
Reasons $(R)$: The square root is the number that we need to multiply by itself to get the original number.
 
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
     
  • C
    $A$ is true but $R$ is false.
     
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 91 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $166$ is $6$.
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 101 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: $7^2 = 23 + 24$
Reasons $(R)$: The sum of any two consecutive numbers is always odd
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 111 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The Square of the following number will be even $50$
Reasons $(R)$: Even numbers are those numbers that can be divided into two equal groups or pairs and are exactly divisible by $2$.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 121 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $78$ is $4$
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 131 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $1111$ is $1$
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 141 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: $10000$ is a perfect square number
Reasons $(R)$: A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
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MCQ 151 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason $(s) \ (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A) : 9^2= 40 + 41$
Reasons $(R) :$ The sum of any two consecutive numbers is always odd
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 161 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: nonsquare numbers lie between the pair of numbers $80^2$ and $81^2$ are $160$.
Reasons $(R)$: squares of $12$ and $13$ and then subtract square of $12$ from square of $13$, we get numbers of non-square numbers
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 171 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: $7828$ is a perfect square number.
Reasons $(R)$: A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 181 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $209$ is $1$
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 191 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The Square of the following numbers will be odd $10, 100, 1000, 99$.
Reasons $(R)$: An odd number is an integer when divided by two, either leaves a remainder or the result is a fraction.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 201 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: nonsquare numbers he between the pair of numbers $36^2$ and $37^2$ are $74$.
Reasons $(R)$: squares of $12$ and $13$ and then subtract square of $12$ from square of $13$, we get numbers of non-square numbers
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 211 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $125$ is $5$
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 221 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The number of zeros in the square of the number $50$ is $3$
Reasons $(R)$: The number of zeros at the end of the number obtained, by multiplying the number from $1$ to $100$ will be.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 231 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: If $252 = 625$, then the square root of $625$ is $125$
 Reasons $(R)$: The square root is the number that we need to multiply by itself to get the original number.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 241 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The Square of the following numbers will be even $11, 111, 1111$
Reasons $(R)$: Even numbers are those numbers that can be divided into two equal groups or pairs and are exactly divisible by $2$.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 251 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $1333$ is $9$.
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 261 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $27$ is $5$
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 271 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit in the square of the number $1000$ is $1$.
 Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 281 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: The unit digit number $132$ is in the square of the $4$.
Reasons $(R)$: Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • D
    $A$ is false but $R$ is true.
Answer
Correct option: A.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
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MCQ 291 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: Between $50$ and $60$, the perfect square number is $54$.
Reasons $(R)$: A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 301 Mark
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion $(A)$: nonsquare numbers he between the pair of numbers $500^2$ and $501^2$ are $1001$
Reasons $(R)$: squares of $12$ and $13$ and then subtract square of $12$ from square of $13$, we get numbers of non-square numbers
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
Answer
Correct option: D.
$A$ is false but $R$ is true.
$A$ is false but $R$ is true.
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MCQ 311 Mark
Assertion (A): The unit digit number 132 is in the square of the 4.
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 321 Mark
Assertion (A): The unit digit in the square of the number 78 is 4
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 331 Mark
Assertion (A): The unit digit in the square of the number 209 is 1
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 341 Mark
Assertion (A): The unit digit in the square of the number 166 is 6.
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 351 Mark
Assertion (A): The unit digit in the square of the number 1333 is 9.
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 361 Mark
Assertion (A): The unit digit in the square of the number 125 is 5
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 371 Mark
Assertion (A): The unit digit in the square of the number 1000 is 1.
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 381 Mark
Assertion (A): The Square of the following number will be even 50
Reasons (R): Even numbers are those numbers that can be divided into two equal groups or pairs and are exactly divisible by 2.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 391 Mark
Assertion (A): The Square of the following numbers will be odd 81.
Reasons (R): An odd number is an integer when divided by two, either leaves a remainder or the result is a fraction.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 401 Mark
Assertion (A): The Square of the following numbers will be odd 10, 100, 1000, 99
Reasons (R): An odd number is an integer when divided by two, either leaves a remainder or the result is a fraction.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 411 Mark
Assertion (A): The Square of the following numbers will be even 11, 111, 1111
Reasons (R): Even numbers are those numbers that can be divided into two equal groups or pairs and are exactly divisible by 2.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 421 Mark
Assertion (A): The perfect square number out of 2, 3, 4 and 5 is 4.
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 431 Mark
Assertion (A): The number of zeros in the square of the number 9000 is 6.
Reasons (R): The number of zeros at the end of the number obtained, by multiplying the number from 1 to 100 will be.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 441 Mark
Assertion (A): The number of zeros in the square of the number 50 is 3
Reasons (R): The number of zeros at the end of the number obtained, by multiplying the number from 1 to 100 will be.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 451 Mark
Assertion (A): The number of zeros in the square of the number 100 is 4.
Reasons (R): The number of zeros at the end of the number obtained, by multiplying the number from 1 to 100 will be.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 461 Mark
Assertion (A): nonsquare numbers lie between the pair of numbers 802 and 812 are 160.
Reasons (R): squares of 12 and 13 and then subtract square of 12 from square of 13, we get numbers of non-square numbers.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 471 Mark
Assertion (A): nonsquare numbers he between the pair of numbers 5002 and 5012 are 1001
Reasons (R): squares of 12 and 13 and then subtract square of 12 from square of 13, we get numbers of non-square numbers.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 481 Mark
Assertion (A): nonsquare numbers he between the pair of numbers 362 and 372 are 74.
Reasons (R): squares of 12 and 13 and then subtract square of 12 from square of 13, we get numbers of non-square numbers.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 491 Mark
Assertion (A): Natural numbers lie between 122 and 132 are 24.
Reasons (R): Natural numbers are the positive integers or non-negative integers which start from 1 and ends at infinity.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 501 Mark
Assertion (A): If 252 = 625, then the square root of 625 is 125
Reasons (R): The square root is the number that we need to multiply by itself to get the original number.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 511 Mark
Assertion (A): Between 50 and 60, the perfect square number is 54.
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 521 Mark
Assertion (A): A perfect square number between 30 and 40 is 36.
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 531 Mark
Assertion (A): 92 = 40 + 41
Reasons (R): The sum of any two consecutive numbers is always odd.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 541 Mark
Assertion (A): 72 = 23 + 24
Reasons (R): The sum of any two consecutive numbers is always odd.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 551 Mark
Assertion (A): 7828 is a perfect square number.
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 561 Mark
Assertion (A): 10000 is a perfect square number
Reasons (R): A perfect square is a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 571 Mark
Assertion (A): The unit digit in the square of the number 27 is 5
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 581 Mark
Assertion (A): The unit digit in the square of the number 2644 is 4
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
D
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MCQ 591 Mark
Assertion (A): The unit digit in the square of the number 1111 is 1
Reasons (R): Units digit of a number is the digit in the one’s place of the number. i.e. it is the rightmost digit of the number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 601 Mark
Assertion (A): If 102 = 100, then the square root of 100 is 10
Reasons (R): The square root is the number that we need to multiply by itself to get the original number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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