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    Question

    Aamir is twice as efficient a worker as Bender and

    together they can complete a work in 42 days. In how many days will Aamir alone complete the same work?
    A 42 Correct Answer Incorrect Answer
    B 31 Correct Answer Incorrect Answer
    C 63 Correct Answer Incorrect Answer
    D 21 Correct Answer Incorrect Answer

    Solution

    AamirBender 21(efficiency) ATQ- Total Efficiency 2+1=3 Total work =3×42=126 Aamir alone did the same work = 126/2=63 days.

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