Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?	Choose the correct choice from the following options: A) 2528 B) 2526 C) 2522 D) 2722 E) 2426
A = 1600(21/20)3 = 2522   Answer: 2522
<result>C</result>
Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?