Question

The square root of $\frac{0.324\times 0.081\times 4.624}{1.5625\times 0.0289\times 72.9\times 64}$ is

• A. 0.024
• B. 0.204
• C. 0.24
• D. 240

Answer 1

The correct option is A 0.024

Since number of decimal places in numerator and denominator is the same, the expression can be written as
$\frac{324\times 81\times 4624}{15625\times 289\times 729\times 64}$
Square root $=\frac{18\times 9\times 68}{125\times 17\times 27\times 8}=0.024$