Subject

    Bank Exam

    Topic

    First Security Islami Bank Ltd. 2009 (PO)

    If 6 workers can complete 9 identicaljobs in 3 days, how long (in days) will it take 4 workers to complete10 such jobs?

    ক)
    5
    খ)
    4
    গ)
    6
    ঘ)
    3

    Explanation

    6 workers can complete 9 identical jobs in 3 days.  1 worker can complete 9 identical jobs in 18 days  4 workers can complete 36 identical jobs in 18 days  4 workers can complete 10 jobs in 5 days.
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