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A sum of Rs. 50,000 is invested in a bank deposit for 1 year at an interest rate of 10% per annum,…

With half yearly compounding the rate per half year is 5 per cent for 2 periods, so the amount is \(50000\times(1.05)^2=55125\). The interest is \(55125-50000=5125\).

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A sum of Rs. 50,000 is invested in a bank deposit for 1 year at an interest rate of 10% per annum, compounded on a half-yearly basis. What is the amount of interest at the end of 1 year?

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Correct answer A

With half yearly compounding the rate per half year is 5 per cent for 2 periods, so the amount is 50000×(1.05)2=5512550000\times(1.05)^2=55125. The interest is 55125−50000=512555125-50000=5125.

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