Don't swipe, plz plz answer this question.
Two pipes can separately fill a cistern in 20 min and 30 min respectively. When the
waste pipe is open, the two pipes can together fill the cistern in 1 h. Find the time
taken by the waste pipe to empty a full cistern.
Answers
Answered by
0
Answer:
Two pipes can separately fill a cistern in 20 min and 30 min respectively. When the
waste pipe is open, the two pipes can together fill the cistern in 1 h. Find the time
taken by the waste pipe to empty a full cistern.
Answered by
0
Answer:
waste pipe is open then only they can fill the tank in 1hr
Similar questions