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A person borrowed Rs. 8000 at `2(1)/(2)%` per annum under S.I. The sum borrowed is immediately given to another person at the same rate on the condition that the interest is compounded semi-annually. Find the amount gained by the first person in one year.A. Rs. 3.25B. Rs. 2.25C. Rs. 1.25D. Rs. 0.25 |
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Answer» Correct Answer - C (i) Amount gained =C.I.-S.I. (ii) Under C.I. rate of inerest for 6 months `=(1)/(2)xx(5)/(2)=(5)/(4)%` Take n=2. Find C.I. and S.I. |
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