Introduction


Aptitude : : Square root and Cube root Questions & Answers

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

A. 2.03

B. 2.13

C. 2.1

D. 2.11

  1. What number should be divided by $\sqrt{0.25}$ to give the result as 25?

A. 12.5

B. 25

C. 50

D. 125

  1. If $ \dfrac{5+2\sqrt{3}}{7+4\sqrt{3}}=a+b\sqrt{3} $, then :

A. a = -11 and b = -6

B. a = -11 and b = 6

C. a = 11 and b = -6

D. a = 11 and b = 6

  1. For what value of $*$ the statement $\left(\dfrac{*}{15}\right)\left(\dfrac{*}{135}\right) =1 $ is true

A. 15

B. 25

C. 35

D. 45

  1. If $ \sqrt{5}=2.236 $, then the value of $ \dfrac{\sqrt{5}}{2} - \dfrac{10}{\sqrt{5}} +\sqrt{125} $ is equal to :

A. 5.59

B. 7.826

C. 8.944

D. 10.062