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      Question

      Anjali invested Rs. 3200 at (R + 6)% p.a. simple

      interest and earned an interest of Rs. 2304 in 3 years. What would be the interest if the same amount is invested at R% p.a. for 2 years?
      A Rs.1152 Correct Answer Incorrect Answer
      B Rs.1650 Correct Answer Incorrect Answer
      C Rs.1770 Correct Answer Incorrect Answer
      D Rs.1450 Correct Answer Incorrect Answer

      Solution

      ATQ,

      3200 Γ— (R + 6)/100 Γ— 3 = 2304

      Or, 96R + 576 = 2304

      Or, 96R = 1728

      Or, R = 18

      Desired Interest = 3200 Γ— 18/100 Γ— 2 = Rs. 1152

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