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

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