Questions and Answers Type: | MCQ (Multiple Choice Questions). |

Main Topic: | Quantitative Aptitude. |

Quantitative Aptitude Sub-topic: | Number System Aptitude Questions and Answers. |

Number of Questions: | 10 Questions with Solutions. |

- If A205 is divisible by 11, then find the value of the smallest natural number A?
- 3
- 5
- 7
- 9

Answer: (c) 7

Solution: According to the condition, A205 is divisible by 11 if and only if (A + 0) - (2 + 5) = A - 7, is divisible by 11. Here A = 7, fulfill the condition.

Solution: According to the condition, A205 is divisible by 11 if and only if (A + 0) - (2 + 5) = A - 7, is divisible by 11. Here A = 7, fulfill the condition.

- Which one of the following number is not divisible by 2?
- 4520
- 6725
- 3224
- 1110

Answer: (b) 6725

Solution: Here option (b) is satisfied with the condition.

Solution: Here option (b) is satisfied with the condition.

- Which one of the following number is divisible by 3?
- 2668
- 1665
- 4666
- 1958

Answer: (b) 1665

Solution: Here option (b) is satisfied with the condition.

Solution: Here option (b) is satisfied with the condition.

- Which one of the following number is not divisible by 4?
- 12328
- 14432
- 16316
- 18218

Answer: (d) 18218

Solution: Here option (d) is satisfied with the condition.

Solution: Here option (d) is satisfied with the condition.

- If 392A is divisible by 9, then find the value of the smallest natural number A?
- 3
- 4
- 5
- 6

Answer: (b) 4

Solution: According to the condition, 392A is divisible by 9, if and only if 3 + 9 + 2 + A = 14 + A, is divisible by 9. Here A = 4, fulfill the condition.

Solution: According to the condition, 392A is divisible by 9, if and only if 3 + 9 + 2 + A = 14 + A, is divisible by 9. Here A = 4, fulfill the condition.

- Which one of the following number is divisible by 6?
- 3396
- 3914
- 4472
- 4936

Answer: (a) 3396

Solution: Here option (a) is satisfied with the condition.

Solution: Here option (a) is satisfied with the condition.

- If A372 is divisible by 11, then find the value of the smallest natural number A?
- 5
- 2
- 7
- 9

Answer: (d) 9

Solution: According to the condition, A372 is divisible by 11 if and only if (A + 7) - (3 + 2) = A + 2, is divisible by 11. Here A = 9, fulfill the condition.

Solution: According to the condition, A372 is divisible by 11 if and only if (A + 7) - (3 + 2) = A + 2, is divisible by 11. Here A = 9, fulfill the condition.

- Which one of the following number is divisible by 8?
- 1696
- 1786
- 1890
- 1986

Answer: (a) 1696

Solution: Here option (a) is satisfied with the condition.

Solution: Here option (a) is satisfied with the condition.

- Which one of the following number is divisible by 9?
- 5868
- 5606
- 5086
- 7669

Answer: (a) 5868

Solution: Here option (a) is satisfied with the condition.

Solution: Here option (a) is satisfied with the condition.

- If 33A is divisible by 6, then find the value of the smallest natural number A?
- 3
- 5
- 6
- 8

Answer: (c) 6

Solution: According to the condition, 33A is divisible by 6, if and only if 3 + 3 + A, is divisible by 6. Here A = 6, fulfill the condition.

Solution: According to the condition, 33A is divisible by 6, if and only if 3 + 3 + A, is divisible by 6. Here A = 6, fulfill the condition.

Lec 1: Introduction to Number System
Lec 2: Factors of Composite Number
Questions and Answers-1
Lec 3: Basic Remainder Theorem
Questions and Answers-2
Lec 4: Polynomial Remainder Theorem
Questions and Answers-3
Questions and Answers-4
Questions and Answers-5
Lec 5: LCM of Numbers
Questions and Answers-6
Lec 6: HCF of Numbers
Questions and Answers-7
Questions and Answers-8
Lec 7: Divisibility Rules of Numbers
Questions and Answers-9
Questions and Answers-10
Questions and Answers-11
Questions and Answers-12
Questions and Answers-13
Questions and Answers-14
Questions and Answers-15
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