If $$\sqrt 5 = 2.236{\text{,}}$$ then the value of $$\frac{1}{{\sqrt 5 }}$$ is = ?
A. 0.367
B. 0.447
C. 0.745
D. None of these
Answer: Option B
Solution (By Examveda Team)
$$\eqalign{ & = \frac{1}{{\sqrt 5 }} \cr & = \frac{1}{{\sqrt 5 }} \times \frac{{\sqrt 5 }}{{\sqrt 5 }} \cr & = \frac{{\sqrt 5 }}{5} \cr & = \frac{{2.236}}{5} \cr & = 0.447 \cr} $$This Question Belongs to Arithmetic Ability >> Square Root And Cube Root
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