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      Question

      Person P allocated 65% of the

      money he had between X and Y in a ratio of 6:7. Both Y and X invested the amounts they received in a scheme offering 8% simple interest and 7% simple interest for five years, respectively. Given that the difference in the interests earned by X and Y after five years is Rs. 1890, determine the amount remaining with P.
      A Rs.18,900 Correct Answer Incorrect Answer
      B Rs.18,500 Correct Answer Incorrect Answer
      C Rs.13,900 Correct Answer Incorrect Answer
      D Rs.10,900 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the amount of money P had initially = Rs. a Amount distributed between X and Y = Rs. 0.65a Amount received by X = 0.65a ร— 6/13 = Rs. 0.3a Amount received by Y = 0.65a ร— 7/13 = Rs. 0.35a Interest earned Y = 0.35a ร— 0.08 ร— 5 = Rs. 0.14a Interest earned by X = 0.3a ร— 0.07 ร— 5 = Rs. 0.105a According to question:ย  0.14a โ€“ 0.105a = 1890 0.035a = 1890 a = 54000 So the amount left with P = 0.35 ร— 54000 = Rs.18,900

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