A sum of money deposited at C.I. amounts to Rs.2560 in 3 years and to Rs.2989 in 4 years. Find the rate percent?  Select the correct option
A) 30%
B) 10%
C) 20%
D) 16%
E) 50%
2560 --- 429   100 --- ? =&gt; 16%   Answer: 16%
<result>D</result>
A sum of money deposited at C.I. amounts to Rs.2560 in 3 years and to Rs.2989 in 4 years. Find the rate percent?