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      Question

      A certain sum when invested for 3 years in a scheme

      offering simple interest of 12% p.a. gives an interest of Rs. 802.8. What is 170% of the sum invested?
      A Rs. 3991 Correct Answer Incorrect Answer
      B Rs. 3291 Correct Answer Incorrect Answer
      C Rs. 3791 Correct Answer Incorrect Answer
      D Rs. 3781 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the sum invested = Rs. 100Y Then interest earned = 100Y Γ— (0.12 Γ— 3) = Rs. 36Y Or, 36Y = 802.8 Or, Y = (802.8/36) = 22.3 So, sum invested = Rs. 2230 170% of sum invested = 2230 Γ— 1.70 = Rs. 3791

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