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If the annual rate of simple interest increases from 10% to 12 1/2 %, a man's yearly income increases by Rs. 1250. His principal in Rs. is? |
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Answer» 50000 (x * 25/2 * 1/100) - (x * 10 * 1)/100 = 1250 25x - 20x = 250000 x = 50000 |
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