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 answers.
A) Rs.1652
B) Rs.2569
C) Rs.4587
D) Rs.479
E) Rs.2522
Rs.2522xplanation:   A = 1600(21/20)3 = Rs.2522   Answer:Rs.2522
<result>E</result>
Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?