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4

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

A. 7 days

B. 8 days

C. 9 days

D. 10 days

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Correct Answer :

A. 7 days


1 woman's 1 day's work = 1/70
1 Child's 1 day's work = 1/140
5 Women and 10 children 1 day work =      
                                                       570+10140           =17
So 5 women and 10 children will finish the work in 7 days.

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