Subject

    Quantitative Aptitude

    Topic

    Unitary Method

    3 men or 5 women or 8 boys can finish a work in 38 days. How many days will be required to complete the same work by 6 men, 10 women and 6 boys together?

    ক)
    5
    খ)
    6
    গ)
    7
    ঘ)
    None

    Explanation

    Solution: 3 men = 5 women = 8 boys 6 men = 10 women = 16 boys (6 men + 10 women + 6 boys) = (16 boys + 16 boys + 6 boys) = 38 boys Now, 8 boys can do a work = 38 days 1  "       "     "  "   "     = 38 × \times 8 days 38 "     "     "   "  "     = 38 × \times 8 / 38  = 8 days

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