Multiple Choice Questions on 6 men can do a piece of work in 2 hours which 3 women could do in 3 hours or 5 children in 4 hours H........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

6 men can do a piece of work in 2 hours which 3 women could do in 3 hours or 5 children in 4 hours H...........

Quantitative Aptitude ( CCS) Time and work
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    6 men can do a piece of work in 2 hours, which 3 women could do in 3 hours, or 5 children in 4 hours. How long would 1 man, 1 woman and 1 child together take to do the work?

    180/71

    Incorrect Answer

    135/33

    Correct Answer

    140/13

    Incorrect Answer

    195/14

    Incorrect Answer
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    Explanation:

    Solution: 
    1men work =6*2=12hrs
    1women work=3*3=9hrs
    1children work=5*4=20hrs
    Required work=12*9*20/(12*9)+(9*20)+(20*12)
    =2160/528=135/33hrs.

    By: Pranav Gupta
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