A sum of Rs. 125000 amounts to Rs. 16000 in 4 years at the rate of simple interest. What is the rate of interest?
Choose the correct option: A) 3% B) 4% C) 5% D) 6% E) 7%
S.I. = (16000 - 12500) = Rs. 3500\   Rate = (100 * 3500) / (12500 * 4)= 
<gadget id="calculator">(100 * 3500) / (12500 * 4)</gadget>
<output>7</output>
7%   ANSW7%R:7%
<result>E</result>
A sum of Rs. 125000 amounts to Rs. 16000 in 4 years at the rate of simple interest. What is the rate of interest?