Quantitative Aptitude :: Square Root and Cube Root - Discussion

Show Explanation

Please attempt the question to view the Explanation !!!

Explanation:
Let \(\frac{x}{\sqrt{128}} = \frac{\sqrt{162}}{X}\)
Then\( x^{2} = \sqrt{128 \times 162}\)

=\( \sqrt{64 \times 2 \times 18 \times9} \)

=\( \sqrt{8^2 \times 6^2 \times 3^2} \)

= \(8 \times 6 \times 3\) = 144.

x =\( \sqrt{144}\) = 12.