If 10 men or 20 women can do a piece of work in 15 days, find the ratio of the time taken by 1 man to the time taken by 1 woman to do the work
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Answered by
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Answer:
10 women can complete a piece of work in 15 days.
∴ 1 woman can complete in 1 day
10×15
1
=
150
1
par of work.
6 men can complete the same work in 10 days
∴ 1 man can complete in 1 day
6×10
1
=
60
1
part of the work.
∴ (6 men's +5 women's) 1 days' work =
60
6
+
150
5
=
10
1
+
30
1
=
30
3+1
=
30
4
=
15
2
∴ 6 men and 5 women can complete the whole work in
2
15
=7.5 days.
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