Aptitude : : Square root and Cube root Questions & Answers
- $ \sqrt{248+\sqrt{16}} $
A. 21
B. 14
C. 12
D. 16
- If $a$ = 0.2917, then the value of $ \sqrt{4a^2-4a+1}+3a $ is :
A. 0.5834
B. 0.2917
C. 1.2917
D. 2.2917
- $ \sqrt{0.000256\times ?} =1.6 $
A. 0.1
B. 10
C. 10000
D. 1000
- $ \sqrt{0.0576\times ?} =0.24 $
A. 1
B. 10
C. 0.1
D. 0.01
- $ \left(\sqrt{7}- \dfrac{1}{\sqrt{7}}\right)^2 $
A. $ \dfrac{36}{\sqrt{7}} $
B. $ \dfrac{7}{36} $
C. $ \dfrac{36}{7} $
D. $ \dfrac{7}{\sqrt{36}} $