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    Question

    'A', 'B' and 'C', alone can do some work in 28 days, 35

    days and 70 days, respectively. If they work together for wages of Rs. 6,600, then find the difference between shares of 'B' and 'C'.
    A Rs. 1000 Correct Answer Incorrect Answer
    B Rs. 1200 Correct Answer Incorrect Answer
    C Rs. 1100 Correct Answer Incorrect Answer
    D Rs. 1300 Correct Answer Incorrect Answer

    Solution

    Ratio of time taken by 'A', 'B' and 'C' = 4:5:10 So, ratio of efficiency of 'A', 'B' and 'C' = (1/4):(1/5):(1/10) = 5:4:2 = Ratio of shares of 'A', 'B' and 'C', out of total wages Required difference = 6600 X {(4 - 2)/11} = Rs. 1200

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