Pipe A can fill in 20 minutes and Pipe B in 30 mins
and Pipe C can
empty the same in 40 mins.If all of them work
together, find the time
taken to fill the tank
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Answer Posted / ravi savaliya
a fill - 1/20 per minute
b fill - 1/30 per minute
c can empty - 1/40 per minute
Suppose this take x minute
1 x +1x - 1x
--- -- ---- =1
20 30 40
Solve this x=17(approximately)
| Is This Answer Correct ? | 29 Yes | 8 No |
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