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    Question

    X and Y can complete a work in 12 days and 10 days

    respectively. With the help of Z, X and Y together can complete the work in 5 days for a total salary of Rs 6000. So how much should 2 get paid for his share of the work?
    A Rs 400 Correct Answer Incorrect Answer
    B Rs 250 Correct Answer Incorrect Answer
    C Rs 550 Correct Answer Incorrect Answer
    D Rs 500 Correct Answer Incorrect Answer

    Solution

    - Work done by X in 1 day =1/12 Work done by Y in 1 day =1/10 1 Work done by (X+Y) in 1 day=1/12+ 1/10 =11/60   Work done by (X+Y) in 5 days =11/60) ×5=11/12   Work left = 1-11/12=1/12 Hence, work done by Z in 5 days = 1/12   Hence, share of 2 in total salary 6000 = 6000x1/12 = 500.

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