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    Question

    'A', 'B' and 'C', alone can do some work in 15 days, 18

    days and 30 days, respectively. If they work together for wages of Rs. 9,800, then find the difference between shares of 'A' and 'C'.
    A Rs. 1900 Correct Answer Incorrect Answer
    B Rs. 2000 Correct Answer Incorrect Answer
    C Rs. 2100 Correct Answer Incorrect Answer
    D Rs. 2200 Correct Answer Incorrect Answer

    Solution

    Ratio of time taken by 'A', 'B' and 'C' = 5:6:10 So, ratio of efficiency of 'A', 'B' and 'C' = (1/5):(1/6):(1/10) = 6:5:3 = Ratio of shares of 'A', 'B' and 'C', out of total wages Required difference = 9800 X {(6 - 3)/14} = Rs. 2100

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