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      Question

      The amount on a certain principal at simple interest is Rs.

      6,750 after 2 years and Rs. 9,000 after 5 years. What was the initial sum?
      A Rs. 5,650 Correct Answer Incorrect Answer
      B Rs. 5,250 Correct Answer Incorrect Answer
      C Rs. 3,600 Correct Answer Incorrect Answer
      D Rs. 6,150 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Interest earned in 3 years = 9,000 - 6,750 = Rs. 2,250

      Interest earned in 2 years = (2,250 / 3) Γ— 2 = Rs. 1,500

      So, amount invested = 6,750 - 1,500 = Rs. 5,250

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