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    Question

    If the ratio of time periods of investment of A and B is

    2:5, profit at the end of the year is Rs.100000 and A’s share in it is Rs.20000, then what is the ratio of A’s and B’s investment?
    A 7:12 Correct Answer Incorrect Answer
    B 5:8 Correct Answer Incorrect Answer
    C 1:3 Correct Answer Incorrect Answer
    D 3:8 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the ratio of A’s and B’s investment be x:y. The ratio of time periods of investment of A, => [2x/(2x+5y)] x 100000 = 20000 => [2x/(2x+5y)] = 1/5 => 10x = 2x + 5y => 8x = 5y => x:y = 5:8

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