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31.
Find the number which is nearest to 457 and is exactly divisible by 11.
- A.450
- C.460
- B.451
- D.462
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| On dividing 457 by 11, remainder is 6. | |||
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32.
9548 + 7314 = 8362 + ?
- A.8230
- C.8500
- B.8410
- D.8600
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Let 9548 + 7314 = 8362 + x. |
| Then, 16862 = 8362 + x |
| x = (16862 - 8362) = 8500 |
33.
In doing a division of a question with zero remainder, a candidate took 12 as divisor instead of 21. The quotient obtained by him was 35. The correct quotient is:
- A.0
- C.13
- B.12
- D.20
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| Dividend = (12 x 35) = 420. Now, dividend = 420 and divisor = 21. | ||||||||
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34.
What least value must be assigned to * so that the number 86325*6 is divisible by 11?
- A.1
- C.3
- B.2
- D.5
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| (6 + 5 + 3 + 8) - (x + 2 + 6) = (14 - x). Now, (14 - x) is divisible by 11, when x = 3. |
35.
The smallest three-digit prime number is:
- A.103
- C.100
- B.107
- D.None of these
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| 100 is divisible by 2, so it is not prime. |
| 101 is not divisible by any of the numbers 2, 3, 5, 7. So, it is prime. |
| Hence, the smallest 3-digit prime number is 101. |
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