Subject

    Quantitative Aptitude

    Topic

    Areas & Volumes

    The cost, in taka, of manufacturing x microwaves is 6000+300x taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that the net profit is tk.2,400?

    ক)
    15
    খ)
    17
    গ)
    19
    ঘ)
    21

    Explanation

    700x-600-300x=2400 or, 400x-6000=2400 or, 400x=8400 or, x=8400/400 or, x= 21

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