5 boys can complete a work in 10 days and 8 women can complete the work in 10 days. Ifall the
5 boys and 8 women work together in how many days will the work get completed?
(1) 8
(2) 10
(3) 5
(4) 6
(5) None of these
do these
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Ten women can complete a piece of work in 15 days. Six men can complete the same piece of work in 10 days. In How many days can 5 women and six men together complete the piece of work?
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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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