Subject

    Bank Exam

    Topic

    Pubali Bank Ltd. Junior Officer 2014

    A tank in 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq.m, is:

    ক)
    Tk. 456
    খ)
    Tk. 458
    গ)
    Tk. 558
    ঘ)
    Tk. 568

    Explanation

    surface area=25x12=300 sqm two walls area=26x6x2=300 sqm other two walls area=12x6x2=144 sqm so,total cost= 744 x 75=55800/100=558 tk

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