Of the following, which is the closest approximation to \(\dfrac{32}{\sqrt{0.256}}= ?\)

[Vincen]

Of the following, which is the closest approximation to \(\dfrac{32}{\sqrt{0.256}}= ?\)

A. 20
B. 30
C. 60
D. 200
E. 600

Answer: C

Source: GMAT Prep