Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Options:
(A) 2266
(B) 7767
(C) 2522
(D) 1677
(E) 2671 Let's think first. Stream of consciousness:
A = 1600(21/20)3 = 2522
So, the answer is (C).