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    • Question

      A certain amount of money at simple interest amounts to

      ₹1,404 in 2 years and to ₹1,560 in 5 years. What is the rate of simple interest per annum ?
      A 4% Correct Answer Incorrect Answer
      B 5% Correct Answer Incorrect Answer
      C 6% Correct Answer Incorrect Answer
      D 3% Correct Answer Incorrect Answer

      Solution

      Solution-

      simple interest amounts in 2 years=1404

      simple interest amounts in5 years=1560

      ATQ-

      2years=1404 … (1)

      5years=1560 … (2)

      Solving (2)-(1)

      3=156

      1=52

      For equation (2)

      Rate of interest in 5years= (52×5)/(1560-52×5)

      = (260/1300)×100

      =20%

      Rate of interest per annum=20/5=4%

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