Subject

    Quantitative Aptitude

    Topic

    Areas & Volumes

    What is the least number of squares tiles required to pave the floor of a room 15.17 m long and 9.02 m broad?

    ক)
    814
    খ)
    714
    গ)
    614
    ঘ)
    713

    Explanation

    Length of largest tile = H.C.F. of 1517 cm and 902 cm = 41 cm. Area of each tile = (41×41)cm2\left(41\times41\right)cm^2 Required number of tiles  = 1517×90241×41\frac{1517\times902}{41\times41} = 814

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