Subject

    Bank Exam

    Topic

    Joint Recruitment Test for 5 Banks - (Cash) - 11.03.2022

    If 6.4 is 80 percent of 20 percent of a certain number ,what is the number ?

    ক)
    9
    খ)
    36
    গ)
    40
    ঘ)
    81

    Explanation

    মনে করি ,সংখ্যাটি =x প্রশ্নমতে , x×80%×20% =6.4 বা, x×(80/100)×(20/100)=6.4 বা, (6.4×100×100)/80×20 ∴ x =40

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