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      Question

      Rs. (n + 150) invested on simple interest amounts to Rs.

      1,950 and Rs. 2,250 in 3 years and 5 years, respectively. Find the value of 'n'.
      A 1000 Correct Answer Incorrect Answer
      B 1500 Correct Answer Incorrect Answer
      C 1350 Correct Answer Incorrect Answer
      D 1150 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Interest earned in 2 years = 2,250 - 1,950 = Rs. 300
      Interest earned in 1 year = 300 ÷ 2 = Rs. 150
      Interest earned in 3 years = 150 × 3 = Rs. 450
      So, n + 150 = 1,950 - 450
      Or, n + 150 = 1,500
      Or, n = 1,350

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