Time and Work - Arithmetic Aptitude Questions and Answers

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Discussion :: Time and Work

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?

Cannot be determined

None of these

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Answer : Option C

Explanation :

1 woman's 1 day's work = $\frac { 1 } {70 }$

1 child's 1 day's work = $\frac { 1 } {140 }$

(5 women + 10 children)'s day's work =[ $\frac { 5 } { 70 }$ + $\frac { 10 } {140 } ]$ =[ $\frac { 1 } { 14 }$ + $\frac { 1 } { 14 }$ ]= $\frac { 1 } { 7 }$