A leak can empty A full tank in 12 minutes.If the leak is absent two pipes A and B can fill the tank separately in 15 minutes and 20 minutes respectively.If the leak is active and both the pipes are open then the tank will be filled in
1.30 minutes
2.60 minutes
3.23 minutes
4.35 minutes
Answer:1
Posted Date:-2021-09-13 16:37:13