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Maths MCQ

Whole Numbers · Maharashtra Board STD 6 (MSBSHSE - Semi English Medium). 30 questions.

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30 questions · auto-graded multiple-choice test.

MCQ 11 Mark
$67 + 33 = 33 + 67$ is an example of:
  • A
    Closure property.
  • B
    Associative property.
  • ✓
    Commutative property.
  • D
    Distributive property.
Answer
Correct option: C.
Commutative property.
$67 + 33 = 33 + 67$ is an example of​ commutative property of addition.
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MCQ 21 Mark
$4 \times 538 \times 25 = ?$
  • A
    $32280$
  • B
    $26900$
  • ✓
    $53800$
  • D
    $10760$
Answer
Correct option: C.
$53800$
$4 \times 538 \times 25$
$= 100 \times 538$
$= 53800$
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MCQ 31 Mark
The predecessor of $10000$ is:
  • A
    $10001$
  • ✓
    $9999$
  • C
    $3333$
  • D
    None of these.
Answer
Correct option: B.
$9999$
Predecessor of $10000 = 10000 - 1 = 9999$
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MCQ 41 Mark
The predecessor of the smallest $3-$digit number is:
  • A
    $999$
  • B
    $100$
  • C
    $101$
  • ✓
    $99$
Answer
Correct option: D.
$99$
Smallest three$-$digit number $= 100$
$\therefore$ Predecessor of $100 = 100 - 1 = 99$
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MCQ 51 Mark
The sum of two odd numbers is:
  • A
    An odd number.
  • ✓
    An even number.
  • C
    A prime number.
  • D
    A multiple of $3$
Answer
Correct option: B.
An even number.
The sum of two odd numbers is an even number.
Example: $5 + 3 = 8$
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MCQ 61 Mark
In a division sum, we have dividend $= 199, $ quotient $= 16$ and remainder $= 7.$ The divisor is:
  • A
    $11$
  • B
    $23$
  • ✓
    $12$
  • D
    None of these.
Answer
Correct option: C.
$12$
Dividend $= 199$
Quotient $= 16$
Remainder $= 7$
According to the division algorithm, we have:
Dividend $=$ Divisor $\times$ quotient $+$ remainder
$\Rightarrow 199 =$ Divisor $\times 16 + 7$
$\Rightarrow 199 - 7 =$ Divisor $\times 16$
$\Rightarrow$ Divisor $= 192 \div 16$
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MCQ 71 Mark
The number of whole numbers between the smallest whole number and the greatest $2-$digit number is:
  • A
    $88$
  • ✓
    $98$
  • C
    $99$
  • D
    $101$
Answer
Correct option: B.
$98$
Smallest whole number $= 0$
Greatest two$-$digit number $= 99$
Number of whole numbers between $0$ and $99 = (99 - 0 ) - 1 = 98$
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MCQ 81 Mark
What whole number is nearest to $457$ which is divisible by $11?$
  • A
    $450$
  • B
    $451$
  • C
    $460$
  • ✓
    $462$
Answer
Correct option: D.
$462$
$(B).$


Hence, $451$ is divisible by $11.$
$​​​​​​​(D).$​​​​​​​


Hence, $462$ is divisible by $11.$
Here, the numbers given in options $(b)$ and $(d)$ are divisible by $11.$
​​​​​​​However, we want a whole number nearest to $457$ which is divisible by $11.$
So, $462$ is whole number nearest to $457$ and divisible by $11.$
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MCQ 91 Mark
The largest number of $6$ digits which is exactly divisible by $16$ is:
  • A
    $999980$
  • B
    $999982$
  • ✓
    $999984$
  • D
    $999964$
Answer
Correct option: C.
$999984$


Hence, $999984$ is exactly divisible by $16.$
The largest six$-$digit number which is exactly divisible by $16$ is $999984.$
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MCQ 101 Mark
How many whole numbers are there between $1018$ and $1203?$
  • A
    $185$
  • B
    $186$
  • ✓
    $184$
  • D
    None of these.
Answer
Correct option: C.
$184$
Number of whole numbers $= (1203 - 1018) - 1$
$= 185 - 1$
$= 184$
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MCQ 111 Mark
$587 \times 99 = ?$
  • A
    $57213$
  • B
    $58513$
  • ✓
    $58113$
  • D
    $56413$
Answer
Correct option: C.
$58113$
$587 \times 99$
$= 587 \times (100 - 1)$
$= 587 \times 100 - 587 \times 1$
$= 58700 - 587$
$= 58113$
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MCQ 121 Mark
$24679 \times 92 + 24679 \times 8 = ?$
  • A
    $493580$
  • B
    $1233950$
  • ✓
    $2467900$
  • D
    None of these.
Answer
Correct option: C.
$2467900$
By using the distributive property, we have:
$24679 \times 92 + 24679 \times 8$
$= 24679 \times (92 + 8)$
$= 24679 \times 100$
$= 2467900$
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MCQ 131 Mark
Additive inverse of $36$ is:
  • A
    $\frac{1}{36}$
  • B
    $0$
  • ✓
    $-36$
  • D
    None of these.
Answer
Correct option: C.
$-36$
The additive inverse of $36$ is $-36.$
i.e., $36 + (-36) = 0$
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MCQ 141 Mark
A number when divided by $46$ gives $11$ as quotient and $15$ as remainder. The number is
  • A
    $491$
  • ✓
    $521$
  • C
    $701$
  • D
    $679$
Answer
Correct option: B.
$521$
Divisor $= 46$
Quotient $= 11$
Remainder $= 15$
Dividend $=$ Divisor $\times$ quotient $+$ remainder
$= 46 \times 11 + 15$
$= 506 + 15$
$= 521$
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MCQ 151 Mark
Which of the following is not zero?
  • A
    $0\times0$
  • B
    $\frac{0}{2}$
  • C
    $\frac{(8-8)}{2}$
  • ✓
    $2+0$
Answer
Correct option: D.
$2+0$
$0\times0=0$
$\frac02=0$
$\frac{(8-8)}{2}=\frac02=0$
$2+0=2 $
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MCQ 161 Mark
The smallest even whole number is:
  • A
    $0$
  • ✓
    $2$
  • C
    $1$
  • D
    None of these.
Answer
Correct option: B.
$2$
The smallest even whole number is $2.$
Zero is neither an even number nor an odd number.
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MCQ 171 Mark
$1625 \times 1625 - 1625 \times 625$
  • ✓
    $1625000$
  • B
    $162500$
  • C
    $325000$
  • D
    $812500$
Answer
Correct option: A.
$1625000$
By using the distributive property, we have:
$1625 \times 1625 - 1625 \times 625$
$= 1625 \times (1625 - 625)$
$= 1625 \times 1000$
$= 1625000$
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MCQ 181 Mark
The product of two odd numbers is:
  • ✓
    An odd number.
  • B
    An even number.
  • C
    A prime number.
  • D
    None of these.
Answer
Correct option: A.
An odd number.
The product of two odd numbers is an odd number.
Example: $5 \times 3 = 15$
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MCQ 191 Mark
$7589 - ? = 3434$
  • A
    $11023$
  • B
    $4245$
  • ✓
    $4155$
  • D
    None of these.
Answer
Correct option: C.
$4155$
Let $7589 - x = 3434$
Then, $x = 7589 - 3434 = 4155$
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MCQ 201 Mark
On dividing a number by $53$ we get $8$ as quotient and $5$ as remainder. The number is:
  • A
    $419$
  • B
    $423$
  • ✓
    $429$
  • D
    None of these.
Answer
Correct option: C.
$429$
Divisor $= 53,$ Quotient $= 8,$ Remainder $= 5$ and Dividend $= ?$
Now, Dividend $=$ Quotient $\times$ Divisor $+$ Remainder
$= 8 \times 53 + 5$
$= 429$
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MCQ 211 Mark
If $a$ is $a$ whole number such that $a + a = a,$ then $a = ?$
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • ✓
    None of these.
Answer
Correct option: D.
None of these.
Given: $a$ is a whole number such that $a + a = a$
If $a = 1,$ then $1+1=2\ne1$
If $a = 2,$ then $2+2=4\ne1$
If $a = 3,$ then $3+3=6\ne1$
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MCQ 221 Mark
$1568 \times 185 - 1568 \times 85 = ?$
  • A
    $7840$
  • B
    $15680$
  • ✓
    $156800$
  • D
    None of these.
Answer
Correct option: C.
$156800$
By using the distributive property, we have;
$1568 \times 185 - 1568 \times 85$
$= 1568 \times (185 - 85)$
$= 1568 \times 100$
$= 156800$
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MCQ 231 Mark
The whole number which has no predecessor is:
  • A
    $1$
  • ✓
    $0$
  • C
    $2$
  • D
    None of these.
Answer
Correct option: B.
$0$
The whole number which has no predecessor is $0.$
i.e., $0 - 1 = -1,$ which is not a whole number.
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MCQ 241 Mark
What least number should be subtracted from $10004$ to get a number exactly divisible by $12?$
  • A
    $4$
  • B
    $6$
  • ✓
    $8$
  • D
    $20$
Answer
Correct option: C.
$8$
Here we have to tell what least number should be subtracted from $10004$ to get a number exactly divisible by $12.$
So, we will first divide $10004$ by $12.$



Remainder $= 8$
So, $8$ should be subtracted from $10004$ to get the number exactly divisible by $12.$
i.e., $10004 - 8 = 9996$​​​​​​​



Hence, $9996$ is exactly divisible by $12.$
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MCQ 251 Mark
The least number of $4$ digits which is exactly divisible by $9$ is:
  • A
    $1018$
  • B
    $1026$
  • C
    $1009$
  • ✓
    $1008$
Answer
Correct option: D.
$1008$
$(A).$


Hence, $1018$ is not exactly divisible by $9.$
$(D).$


Hence, $1008$ is exactly divisible by $9.$
$(b)$ and $(d)$ are exactly divisible by $9,$ but $(d)$ is the least number which is exactly divisible by $9.$
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MCQ 261 Mark
The smallest whole number is:
  • A
    $1$
  • ✓
    $0$
  • C
    $2$
  • D
    None of these.
Answer
Correct option: B.
$0$
The smallest whole number is $0.$
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MCQ 271 Mark
$(888 + 777 + 555) = (111 \times ?)$
  • A
    $120$
  • B
    $280$
  • ✓
    $20$
  • D
    $140$
Answer
Correct option: C.
$20$
$(888 + 777 + 555) = (111 \times ?)$
$\Rightarrow (888 + 777 + 555) $
$= 111 \times (8 + 7 + 5) [$by taking $111$ common$]$
$= 111 \times 20 $
$= 2220$
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MCQ 281 Mark
The value of $(89 \times 76 + 89 \times 24)$ is:
  • A
    $890$
  • ✓
    $8900$
  • C
    $89000$
  • D
    $10420$
Answer
Correct option: B.
$8900$
$(89 \times 76 + 89 \times 24)$
$= 89 \times (76 + 24) [$Using distributive property of multiplication over addition$]$
$= 89 \times 100$
$= 8900$
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MCQ 291 Mark
The successor of $1001$ is:
  • A
    $1000$
  • ✓
    $1002$
  • C
    $1005$
  • D
    None of these.
Answer
Correct option: B.
$1002$
Successor of $1001 = 1001 + 1 = 1002$
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MCQ 301 Mark
What least number should be added to $10056$ to get a number exactly divisible by $23?$
  • ✓
    $5$
  • B
    $18$
  • C
    $13$
  • D
    $10$
Answer
Correct option: A.
$5$
Here, we have to tell that what least number must be added to $10056$ to get a number exactly divisible by $23.$
So, first we will divide $10056$ by $23.$



Remainder $= 5$
Required number $= 23 - 5 = 18$
So, $18$ must be added to $10056$ to get a number exactly divisible by $23.$
i.e., $10056 + 18 = 10074​​​​​​​$​​​​​​​


Hence, $10074$ is exactly divisible by $23.$
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