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Time and Work
8 men can do a piece of work in 12 days while 20 women can do it in 10 days. In how many days 12 men and 15 women complete the same work.
a) 4
b) 5
c) 6
d) 7
e) 8
Read Solution (Total 2)
-
- 8 men 1 day work = 1/12
1 man 1 day work = 1/96
same as
20 women 1 day work = 1/10
1 woman 1 day work = 1/200
:- 12 men + 15 women 1 day work = (12/96) + (15/200)
= (1/8+3/40)
= 8/40
12 men + 15 women 1 day work ==> 1/5
therefore 12 men and 15 men women can complete the same work in 5 days
- 8 years agoHelpfull: Yes(25) No(2)
- 8 men one day work=1/96
20 women one day work=1/200
then
12/96+15/200=1/5
5 days
ans=>b - 7 years agoHelpfull: Yes(1) No(2)
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