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      Question

      Karan invested a certain amount of money, splitting it

      into two equal parts. He placed one part in a simple interest scheme at an annual rate of 15% for 5 years and the other part at the same rate for 42 months. The difference in the interest earned from these two investments is Rs. 288. Determine the amount invested in each part.
      A Rs.1,200 Correct Answer Incorrect Answer
      B Rs.2,280 Correct Answer Incorrect Answer
      C Rs.1,280 Correct Answer Incorrect Answer
      D Rs.1,880 Correct Answer Incorrect Answer

      Solution

      ATQ; Let the money invested in each part be Rs. ‘P’ ATQ; {(P × 15 × 5)/100} – {(P × 15 × 42)/(100 × 12)} = 288 Or, {(75P – 52.5P)/100} = 288 Or, 22.5P = 28800 So, P = 1280 So, required amount = Rs.1,280

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