At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years ?
Choices
A) 4.58 %
B) 5.96 %
C) 6.52 %
D) 4.98 %
E) None of these
Explanation:   Difference in amount = 514 - 415= 
<gadget id="calculator">514 - 415</gadget>
<output>99</output>
99   99= (415 x 4 x R)/100   R = 5.96%   ANSWER IS 5.96 %
<result>B</result>
At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years ?