A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
A). 6 hours
B). 12 hours
C). 4 hours
D). 8 hours
1 answers
Answered by
Guest on
2021-07-01 05:58:05 | Votes
0 |
# 12 hours
A's 1 hour's work = 1/4 ;
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