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?
Correct Answer: 7
Explanation:
1 woman's 1 day's work =
1
70
1 child's 1 day's work =
1
140
(5 women + 10 children)'s day's work =
❨
5
+
10
❩
=
❨
1
+
1
❩
=
1
70
140
14
14
7
∴ 5 women and 10 children will complete the work in 7 days.
