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      Question

      Mr. P invested Rs. β€˜10x’ in scheme β€˜A’ offering

      simple interest of 20% p.a. and reinvested the interest earned from scheme β€˜A’ at the end of 4 years in scheme β€˜B’ offering compound interest of 20% p.a. compounded annually. If total amount received from scheme β€˜B’ after 2 years is Rs. 1440, then find the value of β€˜13x’.
      A 1600 Correct Answer Incorrect Answer
      B 1650 Correct Answer Incorrect Answer
      C 1605 Correct Answer Incorrect Answer
      D 1625 Correct Answer Incorrect Answer

      Solution

      According to question; 1.44 Γ— {0.20 Γ— 4 Γ— 10x} = 1440 Or, {0.20 Γ— 4 Γ— 10x} = 1000 Or, x = 125 So, 13x = 13 Γ— 125 = 1625

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