| The square root of \[\frac{0.324\times 0.081\times 4.624}{1.5625\times 0.0289\times 72.9\times 64}\]is [SSC (Constable) 2012] |
A) 24
B) 2.4
C) 0.024
D) 1.2
Correct Answer: C
Solution :
(c) Given, \[\sqrt{\frac{0.324\times 0.081\times 4.624}{1.5625\times 0.289\times 72.9\times 64}}\] In this type of question, first we convert all decimal numbers into decimal fractions. \[=\sqrt{\frac{324\times 81\times 4624\times {{10}^{9}}}{15625\times 289\times 729\times 64\times {{10}^{9}}}}\] \[=\frac{18\times 9\times 68}{125\times 17\times 27\times 8}=\frac{3}{125}=0.024\]
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