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      Question

      A sum of money doubles itself in 8 years at simple

      interest. In how many years will it become four times itself at the same rate of interest?
      A 12 years Correct Answer Incorrect Answer
      B 16 years Correct Answer Incorrect Answer
      C 20 years Correct Answer Incorrect Answer
      D 24 years Correct Answer Incorrect Answer

      Solution

      Time to double = 8 years To become four times, it will double again = 8 × 2 = 16 years Correct Option: b

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