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    Question

    The ratio of investment of A and B is 2 : 5 and that of

    B and C is 3 : 7. Find the investment of B if sum of investment of A, B and C is Rs. 33600.
    A Rs. 9200 Correct Answer Incorrect Answer
    B Rs. 9300 Correct Answer Incorrect Answer
    C Rs. 9000 Correct Answer Incorrect Answer
    D Rs. 8400 Correct Answer Incorrect Answer

    Solution

    Ratio of investment of A and B = 2 : 5Ratio of investment of B and C = 3 : 7Ratio of investment of A, B and C = (2 * 3) : (5 * 3) : (7 * 5) = 6 : 15 : 35Let the investment of A, B and C be 6x, 15x and 35x respectivelyAccording to question,6x + 15x + 35x = 3360056x = 33600x = 600Investment of B = 15x = 15 * 600 = Rs. 9000

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