9 Find the amount which Ram will get on Rs 4,096 if he gave it for 18 months at % per annum, interest being compounded half-yearly.
Principal amount, P = Rs 4,096
Rate of interest, R
Time period, n = 18 months = (12 + 6) months = 1.5 years = 3 half years
(There are 3 half years in 1.5 years)
Amount when interest is compounded annually, (A)
Therefore, the required amount
Ram will get Rs 4,913 after 18 months.