Student: Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly?
Options:
(A) 2528
(B) 2526
(C) 2522
(D) 2722
(E) 2426.
Another student: Let's say, hmmm...
A = 1600(21/20)3 = 2522 Final answer: (C).