Number System Aptitude Questions and Concepts:


Overview:


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.

  1. If A205 is divisible by 11, then find the value of the smallest natural number A?

    1. 3
    2. 5
    3. 7
    4. 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.

  1. Which one of the following number is not divisible by 2?

    1. 4520
    2. 6725
    3. 3224
    4. 1110


Answer: (b) 6725

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

  1. Which one of the following number is divisible by 3?

    1. 2668
    2. 1665
    3. 4666
    4. 1958


Answer: (b) 1665

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

  1. Which one of the following number is not divisible by 4?

    1. 12328
    2. 14432
    3. 16316
    4. 18218


Answer: (d) 18218

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

  1. If 392A is divisible by 9, then find the value of the smallest natural number A?

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

  1. Which one of the following number is divisible by 6?

    1. 3396
    2. 3914
    3. 4472
    4. 4936


Answer: (a) 3396

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

  1. If A372 is divisible by 11, then find the value of the smallest natural number A?

    1. 5
    2. 2
    3. 7
    4. 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.

  1. Which one of the following number is divisible by 8?

    1. 1696
    2. 1786
    3. 1890
    4. 1986


Answer: (a) 1696

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

  1. Which one of the following number is divisible by 9?

    1. 5868
    2. 5606
    3. 5086
    4. 7669


Answer: (a) 5868

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

  1. If 33A is divisible by 6, then find the value of the smallest natural number A?

    1. 3
    2. 5
    3. 6
    4. 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.