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      Question

      Karan had Rs. 10000 with him. He invested 50% of the sum

      at 9% p.a. and the rest at 12% p.a., both at simple interest for 2 years each. Find the total interest received by Karan.
      A Rs.2100 Correct Answer Incorrect Answer
      B Rs.2050 Correct Answer Incorrect Answer
      C Rs.2500 Correct Answer Incorrect Answer
      D Rs.1850 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Interest received by Karan at 50% of the sum = (0.50ร—10000ร—9ร—2)/100=Rs.900 Interest received by Karan on 50% of the sum = (0.50ร—10000ร—12ร—2)/100=Rs.1200 Therefore, total interest received = 900 + 1200 = Rs. 2100

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