Multiple Choice Questions on 10 women can complete a work in 8 days and 10 childen take 12 days to complet the work How many days........... for SBI (Clerical) Exam Preparation

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Multiple Choice Questions

10 women can complete a work in 8 days and 10 childen take 12 days to complet the work How many days...........

Quantitative Aptitude (SBI-CL) Time and work
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    10 women can complete a work in 8 days and 10 childen take 12 days to complet the work. How many days will 6 women and 3 children together take to complete the work?

    9

    Incorrect Answer

    12

    Incorrect Answer

    7

    Incorrect Answer

    None of these

    Correct Answer
    Explanation:

    By chain rule 
    =>10w*8=10c*12
    =>w=3c/2
    again
    =>6w+3c=6*3/2c+3c=12c
    according to question 12 c complete the work in 10 days

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