Subject

    Quantitative Aptitude

    Topic

    Pipes & Cistern

    An empty bucket being filled with paint at a constant rate takes 6 min to be filled 7/10 of its capacity. Howmuch moretime will it take to fill the bucket to full capacity.

    ক)
    18/7
    খ)
    6/19
    গ)
    20/14
    ঘ)
    18/14

    Explanation

    Solution: 7/10 part taken = 6 m 1 part taken = 6 × \times 10/7    (প্রথমবারের ভগ্নাংশ উল্টিয়ে গুণ হয়) 3/10 part taken = 6 × \times 10/7 × \times 3/10  = 18/7   (দ্বিতীয়বারের ভগ্নাংশ সরাসরি গুণ হয়)

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