Multiple Choice Questions on A and B can do a work in 60days B and C can do same work in 40 days and C and A can do same work in ........... for PCS Exam Preparation

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Multiple Choice Questions

A and B can do a work in 60days B and C can do same work in 40 days and C and A can do same work in ...........

Quantitative Aptitude (PCS) Time and work
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    A and B can do a work in 60days. B and C can do same work in 40 days and C and A can do same work in 50 days. Find in how many days will A,Band C work together will finish the work?

    32(16/37)

    Correct Answer

    42(14/37)

    Incorrect Answer

    33(7/37)

    Incorrect Answer

    43(9/37)

    Incorrect Answer
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    Explanation:

    Solution: 
    A+B = 60…………10
    B+C = 40………….15…………….(LCM =.600)
    C+A = 50………….12
    2(A+B+C)            37
    A+B+C = 37/2
    = 600/37 * 2 = 32(16/37)

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