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      Question

      The difference between compound interest and simple

      interest on a sum for 2 years at 20% per annum is Rs 192. Find the principal.
      A 5630 Correct Answer Incorrect Answer
      B 4077 Correct Answer Incorrect Answer
      C 4800 Correct Answer Incorrect Answer
      D 3350 Correct Answer Incorrect Answer

      Solution

      For 2 years: CI - SI = P x (R/100)^2 192 = P x (20/100)^2 192 = P x 400/10000 192 = P/25 P = 192 x 25 = 4800

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