Quantitative Aptitude Ques 2330

Question: The areas of two circular fields are in the ratio of 25: 64, respectively. If the radius of the latter is 16 m, then what is the radius of the former? [SBI Associate (Clerk) 2014]

Options:

A) 14 m

B) 10 m

C) 6 m

D) 18 m

E) 8 m

Show Answer

Answer:

Correct Answer: B

Solution:

  • Let the radius of the former be r. Then, $ \frac{\pi r^{2}}{\pi {{.16}^{2}}}=\frac{25}{64} $
    $ \Rightarrow $ $ r=\frac{5}{8}\times 16=10m $
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