Sample QuestionsWhole Numbers questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
$n^2 + n + 1$ is a or an ______ number for all $\text{n}\in\text{N}$
Answer: B.
View full solution →If $a$ and $b$ are whole numbers, then $a - b$ is:
Answer: D.
View full solution →Which of the following satisfies closure property for whole numbers?
- A
$12 + 0 = 12$
- B
$13 + 0 = 13$
- C
$16 + 6 = 22$
- ✓
Answer: D.
View full solution →The successor of the smallest prime number is:
Answer: C.
View full solution →$100$ million is equal to:
Answer: C.
View full solution →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): $8$ is a whole number.
Reason (R): The natural numbers along with zero form the collection of whole 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: D.
View full solution →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): $234 + 197 + 103 = 536$
Reason (R): You can add whole numbers in any order.
- 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: D.
View full solution →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): There are $15 $ whole numbers between $0$ and $15$
Reason (R): The natural numbers along with zero form the collection of whole 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: D.
View full solution →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): $100$ is a whole number.
Reason (R): The natural numbers along with zero form the collection of whole 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: A.
View full solution →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): $4 \times 5 = 5 \times 4 = 20$
Reason (R): You can multiply two whole numbers in any order.
- 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: D.
View full solution →The natural number $1$ has no predecessor.
View full solution →$1$ is the smallest whole number.
View full solution →The predecessor of a two digit number is never a single digit number.
All whole numbers are natural numbers.
All natural numbers are whole numbers.
Number $3$ cannot be shown as a………. (triangle. line. rectangle)
View full solution →Number $8$ cannot be shown as a………. (line. square, rectangle).
View full solution →The number………. can be shown as a triangle. $(4, 10, 12)$
View full solution →The number……….. can be shown as a square. $(6, 26, 49)$
View full solution →The number………. cannot be shown as a line, a rectangle. A square or a triangle. $(1. 16, 50)$
View full solution →The pair of numbers $9830415, 10023001,$ state which the whole number is on the left of the other number on the number line. Also write the appropriate sign $(>, <)$ between them.
View full solution →The pair of numbers $98765, 56789,$ state which the whole number is on the left of the other number on the number line. Also write the appropriate sign $(>, <)$ between them.
View full solution →The pair of numbers $370, 307,$ state which the whole number is on the left of the other number on the number line. Also write the appropriate sign $(>, <)$ between them.
View full solution →The pair of numbers $530, 503,$ state which the whole number is on the left of the other number on the number line. Also write the appropriate sign $(>, <)$ between them.
View full solution →Write the predecessor of $7654321$
View full solution →Simplify: $126$ $\times$ $55 + 126$ $\times$ $45$
View full solution →Find $12$ $\times$ $35$ using distributivity.
View full solution →Find: $8$ $\times$ $1769$ $\times$ $125$
View full solution →Find: $12$ $\times$ $35.$
View full solution →Find $14 + 17 + 6$ in two ways.
View full solution →The school canteen charges $₹20$ for lunch and $₹4$ for milk for each day. How much money do you spend in $5$ days on these things?
View full solution → Simplify:
$7\frac{1}{2}-\Big[2\frac{1}{4}\div\Big\{1\frac{1}{4}-\frac{1}{2}\Big(\frac{3}{2}-\overline{\frac{1}{3}-\frac{1}{6}}\Big)\Big\}\Big]$
View full solution →Match the following:
| $1.$ |
$625 \times 436 = 625 \times 400 + 625 \times 30 + 625 \times 6$
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$a$
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Commutativity under addition.
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$2.$
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$25 \times 69 \times 8 = 25 \times 8 \times 69$
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$b$
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Commutativity under multiplication.
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$3.$
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$60 + 19758 + 840 = 60 + 940 + 19758$
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$c$
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Distributivity of multiplication over addition.
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View full solution →Simplify: $4\frac{4}{5}\div\Big\{2\frac{1}{5}-\frac{1}{2}\Big(1\frac{1}{4}-\overline{\frac{1}{4}-\frac{1}{5}}\Big)\Big\}$
View full solution →What least number must be subtracted from $13801$ to get a number exactly divisible by $87?$
View full solution →
Match the following columns on whole numbers:
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S.No.
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Column A
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S.No.
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Column B
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$(a)$
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$137 + 63 = 63 + 137$
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$(i)$
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Associativity of multiplication
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$(b)$
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$(16 \times 25)$ is a number
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$(ii)$
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Commutativity of multiplication
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$(c)$
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$365 \times 18 = 18 \times 365$
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$(iii)$
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Distributive law of multiplication over addition.
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$(d)$
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$(d) (86 \times 14) \times 25 = 86 \times (14 \times 25)$
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$(iv)$
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Commutativity of addition
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$(e)$
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$23 \times (80 + 5) = (23 \times 80) + (23 \times 5)$
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$(v)$
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Closure property for multiplication
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