Aptitude Question ID: 107030

\sqrt{2^{4}}+\sqrt[3]{64}+\sqrt[4]{2^{8}} is equal to :
[A]12
[B]16
[C]18
[D]24

12
\sqrt{2^{4}}+\sqrt[3]{64}+\sqrt[4]{2^{8}}
= 2^{4\times \frac{1}{2}}+4^{3\times \frac{1}{3}}+2^{8\times \frac{1}{4}}
= 2^{2}+4+2^{2}
= 4+4+4 = 12
Hence option [A] is correct answer.

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