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    Question

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

    3:4, 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 5:16 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, => [3x/(3x+4y)] x 100000 = 20000 => [3x/(3x+4y)] = 1/5 => 15x = 3x + 4y => 12x = 4y => x:y = 1:3

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