At what percent is the annual compound interest rate taken such that a certain sum amounts to its 16 times in 4 years?
A. 175%
B. 100%
C. 200%
D. 75%
Answer: Option B
Solution (By Examveda Team)

$$ \Rightarrow {\text{Rate}} = \frac{1}{1} \times 100 = 100{\text{ Answer}}$$
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