Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is? Answers.
A) 81.6	B) 88.6	C) 81.1	D) 81.5	E) 81.2
SI = 40 + 40   CI = 40 + 40 + 1.6= 
<gadget id="calculator">40 + 40 + 1.6</gadget>
<output>81.6</output>
81.6   81.6nswer: 81.6
<result>A</result>
Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is?