Number System MCQs

Question 1

The number 142 2 - 1 is divisible by :

Accepted Answer

13

Answer

19

Answer

7

Answer

9

Question 2

The fractions $$\frac{1}{3}{	ext{,}}\frac{4}{7}$$ and $$\frac{2}{5}$$ written in ascending order given by -

Accepted Answer

$$\frac{1}{3} < \frac{2}{5} < \frac{4}{7}$$

Answer

$$\frac{4}{7} < \frac{1}{3} < \frac{2}{5}$$

Answer

$$\frac{2}{5} < \frac{4}{7} < \frac{1}{3}$$

Answer

$$\frac{4}{7} < \frac{1}{3} < \frac{2}{5}$$

Question 3

3 50 + 9 26 + 27 18 + 9 28 + 9 29 is divisible by which of the following integers?

Accepted Answer

11

Answer

5

Answer

7

Answer

2

Question 4

If 146 Is divisible by 5 n , and then find the maximum value of n.

Accepted Answer

35

Answer

34

Answer

36

Answer

37

Question 5

If p is a positive fraction less than 1, then

Accepted Answer

$$\frac{2}{p}$$ - p is a positive number

Answer

$$\frac{1}{p}$$ is less than 1

Answer

$$\frac{1}{p}$$ is a positive integers

Answer

p 2 is less than p

Question 6

If 4x 2 - 12x + k is a perfect square. then the value of k is ?

Accepted Answer

9

Answer

2

Answer

12

Answer

10

Question 7

The number (2 48 - 1) is exactly divisible by two numbers between 60 and 70. The numbers are :

Accepted Answer

63 and 65

Answer

63 and 67

Answer

61 and 65

Answer

65 and 67

Question 8

Which of the following numbers are completely divisible by 7 ? I. 195195 II. 181181 III. 120120 IV. 891891

Accepted Answer

Answer

Only I and II

Answer

Only II and III

Answer

Only I and IV

Answer

Only II and IV

Question 9

When 100 25 - 25 is written in decimal notation, the sum of its digits is :

Accepted Answer

444

Answer

445

Answer

446

Answer

448