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    Question

    A can do 1/4th of a work in 15 days, B can do the 25% of the work in 20 days & C can do 1/5th of the work in 15 days. Who will complete the work first?

    A A Correct Answer Incorrect Answer
    B B Correct Answer Incorrect Answer
    C C Correct Answer Incorrect Answer
    D cannot be determined Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    A can do th of the work = 15 days.
    A can do 1 work in = 15
    => 4 work in = 60 days.
    B can do th of the work = 20 days.
    B can do 1 work in = 20
    => 4 work in = 80 days.
    C can do th of the work = 15 days.
    C can do 1 work in = 15
    => 5 work in = 75 days.
    A will complete the work first.

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