John invested $100 in each of the funds A and B. After one year, the value of the money in fund A was $10 higher than the value of the money in fund B. After another year, the value of the money in fund A was $25 higher than the value of the money in fund B. If the value of the money in each fund increased by a fixed interest compounded annually, what was the annual interest of fund A? Options.
A) 20%
B) 30%
C) 40%
D) 50%
E) 60%
If rate of interest in fund A is 20%, rate of interest in fund 30% is 10% and difference in interest earned on interest = 20% of 20 - 10% of 10 = 4 -1= 
<gadget id="calculator">4 -1</gadget>
<output>3</output>
3   If rate of interest in fund A is 30%, rate of interest in fund 30% is 20% and difference in interest earned on interest= 30% of 30 - 20% of 20 = 9 - 4= 
<gadget id="calculator">9 - 4</gadget>
<output>5</output>
5   Answer (30%)
<result>B</result>
John invested $100 in each of the funds A and B. After one year, the value of the money in fund A was $10 higher than the value of the money in fund B. After another year, the value of the money in fund A was $25 higher than the value of the money in fund B. If the value of the money in each fund increased by a fixed interest compounded annually, what was the annual interest of fund A?