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      Question

      The total amount received on a certain sum of money at the

      rate of interest of 15% per annum compound interest after 3 years is Rs. 36501. What was the principal (in Rs.)?
      A Rs 24000 Correct Answer Incorrect Answer
      B Rs 21000 Correct Answer Incorrect Answer
      C Rs 20000 Correct Answer Incorrect Answer
      D Rs 25000 Correct Answer Incorrect Answer
      E Rs 22000 Correct Answer Incorrect Answer

      Solution

      Amount = Principal * (1 + rate/100) time
      => 36501 = Principal * (1 + 15/100) 3
      => Principal = 36501 * 100/115 * 100/115 * 100/115
      => Principal = Rs. 24000

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