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    Question

    P, Q and R invested amounts in the ratio 5 : 4 : 10

    respectively. If P, Q and R invested amounts at compound interest (compounded annually) at the rate of 20 percent per annum, 25 percent per annum and 10 percent per annum respectively, then what will be the ratio of their amounts after 1 year?
    A 6 : 5 : 11 Correct Answer Incorrect Answer
    B 6 : 7 : 11 Correct Answer Incorrect Answer
    C 9 : 8 : 3 Correct Answer Incorrect Answer
    D 6 : 5 : 9 Correct Answer Incorrect Answer

    Solution

    ATQ, Let the investments amounts of P, Q and R be 5x, 4x and 10x Amount after 1 year for P = 5x(1.2) = 6x Amount after 1 year for Q = 4x(1.25) = 5x Amount after 1 year for R = 10x(1.1) = 11x ∴ Ratio of amounts after 1 year of P, Q and R = 6 : 5 : 11

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