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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?

6 days
7 days
8 days
9 days
Explanation:

1 womans 1 days work = 1/70
1 Childs 1 days work = 1/140
5 Women and 10 children 1 day work =
(5/70 +10/140)=1/7
So 5 women and 10 children will finish the work in 7 days.
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Choose the correct answer.
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