Quantitative Aptitude Questions On - Numbers - Online Test Part - 3

Numbers Online Test Part - 3

Exam Name - Quantitative Aptitude
Subject Name - Numbers
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1:The sum of even numbers between 1 and 31 is:?

1. 6
2. 28
3. 240
4. 512

Show/Hide Answer

Answer = C - 240
Explanation: No Explanation

Question - 2:The least prime number is ?

1. 0
2. 1
3. 2
4. 3

Show/Hide Answer

Answer = C - 2
Explanation: The least prime number is 2.

Question - 3:Which one of the following can't be the square of natural number ? ?

1. 32761
2. 81225
3. 20164
4. 42437

Show/Hide Answer

Answer = D - 42437
Explanation: The square of a natural number never ends in 7.

42437 is not the square of a natural number.

Question - 4:The unit's digit in the product 274 × 318 × 577 × 313 is ?

1. 2
2. 3
3. 4
4. 5

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Answer = A - 2
Explanation: Required digit = Unit digit in(4×8×7×3).
= 2.

Question - 5:3251 + 587 + 369 - ? = 3007 ?

1. 1250
2. 1300
3. 1375
4. 1200

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Answer = D - 1200
Explanation: No Explanation

Question - 6:The digit in unit's place of the product 81 ×82×.....×89 is ?

1. 0
2. 2
3. 6
4. 8

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Answer = A - 0
Explanation: Required digit = Unit digit
=(1×2×3×4×5×6×7×8×9) =0.

Question - 7:A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be?

1. 1, 2
2. 2, 3
3. 3, 2
4. 4, 1

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Answer = B - 2, 3
Explanation: No Explanation

Question - 8:How many three-digit numbers are divisible by 6 in all? ?

1. 149
2. 150
3. 151
4. 166

Show/Hide Answer

Answer = B - 150
Explanation: Required numbers are 102,018,114,....996.
This is an A.P with a = 102,
d= 6.
Let the number of its terms be n. Then a+(n - 1)d
‹=›102+(n - 1)×6 = 996
‹=›n=150.

Question - 9:Find the number which is nearest to 457 and is exactly divisible by 11.?

1. 450
2. 451
3. 460
4. 462

Show/Hide Answer

Answer = D - 462
Explanation: On dividing 457 by 11, remainder is 6.
Required number is either 451 or 462
Nearest to 456 is = 462.

Question - 10:What least number must be added to 1056, so that the sum is completely divisible by 23 ? ?

1. 2
2. 3
3. 18
4. 21

Show/Hide Answer

Answer = A - 2
Explanation: No Explanation

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