Online Test Questions - Examfriend.in

Find the value of $\sqrt{\frac{0.289}{0.00121}}$

A) 170/11

B) 170/13

C) 17/11

D) 15/4

What is the square root of 0.0009 ?

A) 0.09

B) 0.03

C) 0.33

D) 0.07

Evaluate $\sqrt{\frac{9.5 \times .0085 \times 18.9}{.0017 \times 1.9 \times 0.021}}$

A) 134

B) 125

C) 140

D) 150

Simplify : $\sqrt{\left(12.1^{2}-8.1^{2}\right)\div \left(0.25^{2}+\left(0.25\right) \left(19.95\right)\right)}$

A) 4

B) 3.5

C) 2.45

D) 3.7

The value of $\sqrt{10+ \sqrt{25+\sqrt{108+ \sqrt{154+ \sqrt{225 }}}}}$ is :

A) 4

B) 5

C) 8

D) 7

$\left( \sqrt{\frac{225}{729} } - \sqrt{\frac{25}{144} } \right) + \sqrt{\frac{16}{81} } = ?$

$\frac{4}{15}$

$\frac{5}{16}$

$\frac{5}{17}$

$\frac{7}{16}$

If $x \times y = x + y + \sqrt{xy}$ , the value of $6 \times 24$ is :

A) 42

B) 43

C) 24

D) 25

How many two-digit numbers satisfy this property : The last digit (unit's digit) of the square of the two-digit number is 8 ?

A) 3

B) 2

C) 1

D) None of these

What is the square root of 0.16 ?

A) 4

B) 0.4

C) 0.24

D) 0.004

The value of $\sqrt{0.01}+\sqrt{0.81}+\sqrt{1.21}+\sqrt{0.0009}$ is:

A) 2.13

B) 2.23

C) 2.02

D) 3.01

By what least number 4320 be multiplied to obtain a number which is a perfect cube ?

A) 40

B) 50

C) 60

D) 70

The digit in the unit's place in the square root of 15876 is :

A) 2

B) 4

C) 6

D) 8

The approximate value of $\frac{3\sqrt{12}}{2\sqrt{28}}+\frac{2\sqrt{21}}{\sqrt{98}}$ is :

A) 1.0605

B) 1.0727

C) 1.6007

D) 1.6026

$\frac{\sqrt{7}+\sqrt{5}}{\sqrt{7}-\sqrt{5}}$ is equal to :

A) 1

B) 2

$6-\sqrt{35}$

$6+\sqrt{35}$

The largest four-digit number which is perfect cube is :

A) 8000

B) 9261

C) 9999

D) none of these

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