Subject

    Bank Exam

    Topic

    Union Bank 2014 (Sr. Officer)

    Forty tiles of dimensions 1 foot × 2 foot each are required to completely cover a floor. How many tiles of dimensions 2 foot × 4 foot each would be required to completely cover the same floor?

    ক)
    10
    খ)
    20
    গ)
    80
    ঘ)
    160

    Explanation

    smaller tiles = 2*1 = 2 sq ft 40 smaller tiles cover = 40*2 = 80 sq ft area now, area of bigger tiles = 2*4 = 8 sq ft tiles required to cover the same floor = 80/8 = 10 tiles

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