Number System MCQs

Question 1

The number of factors of 196 which are divisible by 4 is:

Accepted Answer

3

Answer

228

Answer

4

Answer

57

Question 2

Let x be the least number which when divided by 15,18, 20 and 27, the remainder in each case is 10 and x is a multiple of 31. What least number should be added to x to make it a perfect square?

Accepted Answer

39

Answer

37

Answer

43

Answer

36

Question 3

If the sum of two positive numbers is 65 and the square root of their product is 26, then the sum of their reciprocals is:

Accepted Answer

$$\frac{5}{{52}}$$

Answer

$$\frac{3}{{52}}$$

Answer

$$\frac{1}{{52}}$$

Answer

$$\frac{7}{{52}}$$

Question 4

The sum of three consecutive natural numbers is always divisible by . . . . . . . .?

Accepted Answer

3

Answer

9

Answer

15

Answer

21

Question 5

Three numbers are in Arithmetic progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is:

Accepted Answer

13

Answer

17

Answer

15

Answer

10

Question 6

What is the value of $$99\frac{{11}}{{99}} + 99\frac{{13}}{{99}} + 99\frac{{15}}{{99}} + ........ + 99\frac{{67}}{{99}}?$$

Accepted Answer

$$\frac{{95120}}{{33}}$$

Answer

$$\frac{{96220}}{{33}}$$

Answer

$$\frac{{94220}}{{33}}$$

Answer

$$\frac{{97120}}{{33}}$$

Question 7

The digit at Hundred's place value of 17! is:

Accepted Answer

0

Answer

1

Answer

2

Answer

3

Question 8

Ifa number K = 42 × 25 × 54 × 135 is divisible by 3a, then find the maximum value of a

Accepted Answer

7

Answer

6

Answer

4

Answer

5

Question 9

Select the correct option: Convert decimal 99 to binary.

Accepted Answer

1100011

Answer

1100101

Answer

1101001

Answer

11100011