Subject

    Quantitative Aptitude

    Topic

    Fraction & Decimal

    You took 1/3 of the chocolates from a box and your brother took 3/5 of the remaining chocolates. If 20 chocolates were left in the box, how many chocolates did the box contain originally ?

    ক)
    25
    খ)
    45
    গ)
    50
    ঘ)
    75

    Explanation

    Solution:   1 - 1/3 = 2/3 × \times 3/5 = 2/5, 2/3 - 2/5 = 4/15 = 20  Total  75

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