Subject

    Bank Exam

    Topic

    IFIC Bank Officer 2012

    There are deer and peacocks in a zoo. The total number of their heads is 80 and the total number of their legs is How many peacocks are there?

    ক)
    20
    খ)
    30
    গ)
    50
    ঘ)
    60

    Explanation

    Let x and y be the number of deer and peacocks in the zoo respectively. Then, x + y = 80 ...(i) and 4x + 2y = 200 or 2x + y = 100 ...(ii) Solving (i) and (ii), we get) x = 20, y = 60.

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