Practice Questions on Number System
Aptitude Questions and Answers

Moderate Number System Question - 26

Q26.

When 242 is divided by a certain divisor the remainder obtained is 8. When 698 is divided by the same divisor the remainder obtained is 9.

However, when the sum of the two numbers 242 and 698 is divided by the divisor, the remainder obtained is 4.

What is the value of the divisor?

A.

11

B.

17

C.

13

D.

23

 View Ans

Moderate Number System Question - 27

Q27.

Suppose n is an integer such that the sum of digits on $n$ is 2, and $10^{10} < n×10^n$. The number of different values of $n$ is:

A.

8

B.

9

C.

10

D.

11

 View Ans

Moderate Number System Question - 28

Q28.

What is the remainder when $7^2 × 8^2$ is divided by 6?

A.

2

B.

4

C.

6

D.

8

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Moderate Number System Question - 29

Q29.

Four digits of the number 29138576 are omitted so that the result is as large as possible. The largest omitted digit is:

A.

5

B.

6

C.

7

D.

8

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Moderate Number System Question - 30

Q30.

If a person makes a row of toys of 20 each, there would be 15 toys left.

If they made to stand in rows of 25 each, there would be 20 toys left, if they made to stand in rows of 38 each, there would be 33 toys left and if they are made to stand in rows of 40 each, there would be 35 toys left.

What is the minimum number of toys the person have?

A.

1,255

B.

3,805

C.

7,595

D.

3,795

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