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15 December, 03:39

X and Y together complete a task in 4 days, Y and Z together in 5 days. If they work independently, who will finish the work in the least time? A. X B. Y C. Z D. Not enough information to decide

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  1. 15 December, 03:53
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    c, Z

    Step-by-step explanation:

    x+y=4

    y+z=5

    y=4-x

    4-x+z=5

    -x+z=1

    z=1+x
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