Subject

    MBA Exam

    Topic

    Evening MBA-DU(24th Batch)

    4 tractors working together can plough a field in 12 hours how long will it take 6 tractors to plough a field of the same size, if all tractors work at the same rate?

    ক)
    6hrs
    খ)
    10hrs
    গ)
    8 hrs
    ঘ)
    9hrs

    Explanation

    4 tractor takes 12 hr 1   "         "       12x4 hr 6   "         "         12 x 4 /6 = 8 hr

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