(256)0.16 × (256)0.09 = ?
A. 4
B. 16
C. 64
D. 256.25
E. None of these
Answer: Option A
Solution(By Examveda Team)
(256)0.16 × (256)0.09 = (256)(0.16 + 0.09)$$\eqalign{ & = {\left( {256} \right)^{0.25}} \cr & = {\left( {256} \right)^{\frac{{25}}{{100}}}} \cr & = {\left( {256} \right)^{\frac{1}{4}}} \cr & = {\left( {{4^4}} \right)^{\frac{1}{4}}} \cr & = {4^1} \cr & = 4 \cr} $$
This Question Belongs to Arithmetic Ability >> Surds And Indices
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