Find the interest earned in the first year on Rs.400 at 20%p.a. compound interest, the interest being compounded half yearly.
Rs.42
Rs.72
Rs.84
Rs.144
Because the interest compound half yearly
When interest calculated half yearly rate will be half and time will be double.
P = 400, R = 20 % P.A , T = 1 year
40 + 40 + 4