Subject

    Bank Exam

    Topic

    Janata Bank Executive Officer 2017 (Afternoon)

    10 men working 6 hours a day can complete a week in 18 days .how many hours a day must 15 men work to complete the same work in 12 days ?

    ক)
    6
    খ)
    10
    গ)
    12
    ঘ)
    15

    Explanation

    10 men working 6 hours a day can complete a work in 18 days.  so no. of man work hours needed to complete the work is = 10x6x18 so,when 15 men work, and should complete the work in 12 days, let, the no. of hours they work per day be h so for the work to be completed the man work hours will be the same  so, 15xhx12=10x6x18  so h=6  so they have to work for 6 hours a day to complete the work in 12 days  Ans:6

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