Subject

    Quantitative Aptitude

    Topic

    Unitary Method

    If 5 men or 9 women can do a piece of work in 19 days, then in how many days will 3 man and 6 women do the same work ?

    ক)
    12
    খ)
    15
    গ)
    18
    ঘ)
    21

    Explanation

    Solution:  Short method: Time =( men 1 × \times Women 1 × \times Time 1 )/ (Men 1 × \times Women 2 + Men 2 × \times Women 1 ) = 5 × \times 9 × \times 19 / 5 × \times 6 + 3 × \times 9  = 15

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