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?
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].
3
[B].
5
[C].
7
[D].
Cannot be determined
[E].
None of these
Answer: Option C
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.