Subject

    MBA Exam

    Topic

    MBM Admission Test 2001-02(6th Batch)

    If 5 men take an hour to dig a ditch, how long should it take 12 men to dig a ditch of the same type?

    ক)
    25 minutes
    খ)
    5/12 hours
    গ)
    both (A) & (B)
    ঘ)
    12/5 hours

    Explanation

    5 men can dig in 60 minutes.  which indicates, 300 men can dig it in 1 min.  => 1 men can dig 1/300th of ditch in a minute.  12 men can dig 12*1/300= 1/25 of ditch in a minute. which means 12 men need 25 minutes to completely dig a similar ditch.

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