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    Question

    If the ratio of the sum invested and simple interest

    received after 1 year is 20:7 respectively, then find the rate of interest.
    A 45% Correct Answer Incorrect Answer
    B 28% Correct Answer Incorrect Answer
    C 35% Correct Answer Incorrect Answer
    D 65% Correct Answer Incorrect Answer

    Solution

    Let the sum invested and simple interest received be Rs.20x and Rs.7x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 7x => r = 35%

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