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      Question

      Invest Rs. (3x + 150) at 12% per annum to earn Rs. 1080

      after 3 years. Find the interest earned when Rs. (2x - 50) is invested at the same interest rate for the same duration.
      A Rs.540 Correct Answer Incorrect Answer
      B Rs.324 Correct Answer Incorrect Answer
      C Rs.612 Correct Answer Incorrect Answer
      D Rs.450 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Equation for the initial investment: Calculate the interest with new principal: The interest earned with the new investment is Rs. 612.

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