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    • Question

      The compound interest on a sum of money for 3 years is

      7,280. The sum amounts to 17,280 in 3 years. What is the rate of interest compounded annually?
      A 8% Correct Answer Incorrect Answer
      B 10% Correct Answer Incorrect Answer
      C 12% Correct Answer Incorrect Answer
      D 15% Correct Answer Incorrect Answer
      E 20% Correct Answer Incorrect Answer

      Solution

      Let the principal be P We have P + {CI} = 17,280 and CI = 7,280 So, P = 10,000

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