Number System MCQs

Question 1

The largest among the numbers ?

Accepted Answer

0.12

Answer

$${\left( {0.1} \right)^2}$$

Answer

$$\sqrt {0.0121\,} $$

Answer

$$\sqrt {0.0004} $$

Question 2

The product of two numbers is 120 and the sum of their squares is 289. The sum of the two number is -

Accepted Answer

23

Answer

7

Answer

13

Answer

169

Question 3

The digit in unit's place of the product (2153)167 is -

Accepted Answer

7

Answer

1

Answer

3

Answer

9

Question 4

If a and b are two distinct natural numbers, which one of the following is true ?

Accepted Answer

$$\sqrt {a + b} < \sqrt a + \sqrt b $$

Answer

$$\sqrt {a + b} > \sqrt a + \sqrt b $$

Answer

$$\sqrt {a + b} = \sqrt a + \sqrt b $$

Answer

$$ab = 1$$

Question 5

Which of the following fraction is the smallest ? $$\frac{7}{6},\,\frac{7}{9},\,\frac{4}{5},\,\frac{5}{7}$$

Accepted Answer

$$\frac{5}{7}$$

Answer

$$\frac{7}{6}$$

Answer

$$\frac{7}{9}$$

Answer

$$\frac{4}{5}$$

Question 6

$$\frac{1}{5}$$ of a number exceeds $$\frac{1}{7}$$ of the same number by 10. The number is -

Accepted Answer

175

Answer

25

Answer

150

Answer

200

Question 7

The product of two numbers is 0.008. One of the number is $$\frac{1}{5}$$ of the other. The smaller number is -

Accepted Answer

0.04

Answer

0.2

Answer

0.4

Answer

0.02

Question 8

When an integer K is divided by 3 the remainder is 1, and when K + 1 is divided by 5, The remainder is '0'. Of the following the possible value of K is -

Accepted Answer

64

Answer

62

Answer

63

Answer

65

Question 9

Which one of the following numbers is not a square of any natural number ?

Accepted Answer

63592

Answer

17956

Answer

18225

Answer

53361