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    • Question

      A sum of ₹18,000 gives a simple interest of ₹3,240

      in 2 years and 3 months. The rate of interest per annum is
      A 10% Correct Answer Incorrect Answer
      B 12% Correct Answer Incorrect Answer
      C 8% Correct Answer Incorrect Answer
      D 7% Correct Answer Incorrect Answer

      Solution

      3240 = 18000 × r × 2.25 / 100 ⇒ r = (3240 × 100) / (18000 × 2.25) ⇒ r = 324000 / 40500 ⇒ r = 8%

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