Subject

    Bank Exam

    Topic

    First Security Islami Bank (Officer)-2014

    siam needs m minutes to do a task. After he works for k minutes ,what part of the task remain uncomplete?

    ক)
    k/m
    খ)
    m/k
    গ)
    (m-k)/m
    ঘ)
    none of these

    Explanation

    Siam,  does in m minute 1 or full part does in 1 minute 1/m  part does in k  minute k/m  part so , work ,incomplete=1-k/m=m-k/m

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