Question
The compound interest on Rs 10,000 at 20% per annum is
Rs 4,641. If the compounding is done half-yearly, then for how many years was the sum invested?Solution
P = 10000 CI = 4641 = 46.41% when rate of interest is 10% and the time 4 year When interest is counted in half yearly then the rate will be half and time will be 2 times Half of 20% = 10% 2years = 4years Ans =2 year
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