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      Question

      Sunil invested Rs. β€˜4x’ 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€˜16x’.
      A 5500 Correct Answer Incorrect Answer
      B 5250 Correct Answer Incorrect Answer
      C 5000 Correct Answer Incorrect Answer
      D 5350 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      According to question; 1.44 Γ— {0.20 Γ— 4 Γ— 4x} = 1440 Or, {0.25 Γ— 4 Γ— 5x} = 1000 Or, x = 312.5 So, 16x = 16 Γ— 312.5 = 5000

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