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An amount of Rs. 100000 is invested in two types of shares. The first yields an interest of 9% p.a and the second, 11% p.a. If the total interest at the end of one year is 9 3/4 %, then the amount inv |
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Answer» RS. 62500; Rs. 37500 Let the sum invested at 9% be Rs. x and that invested at 11% be Rs. (100000 - x). Then, (x * 9 * 1)/100 + [(100000 - x) * 11 * 1]/100 = (100000 * 39/4 * 1/100) (9x + 1100000 - 11x)/100 = 39000/4 = 9750 x = 62500 Sum invested at 9% = Rs. 62500 Sum invested at 11% = Rs. (100000 - 62500) = Rs. 37500. |
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