it can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for four hours and the pipe of smaller diameter for 9 hours only half of the pool can be filled. How long would it take for each pipe to fill the pool separately?

It takes 12 hours to fill a swimming pool using two pipes.If the pipes of larger diameter is used for 4 hours and the pipe of smaller diameter is used for 9 hours,only half of the pool is filled.How long would it take for each pipe to fill the pool separately?

To fill swimming pool two pipes are to be used. If the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter for 9 hours, only half the pool can be filled. Find, how long it would take for each pipe to fill the pool separately, if the pipe of smaller diameter takes 10 hours more than the pipe of larger diameter to fill the pool

A swimming pool is filled with three pipes with uniform flow. The first two pipes operating simultaneously, fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool five hours faster than the first pipe and four hours slower than the third pipe. Find the time required by each pipe to fill the pool separately.

If two pipes function simultaneously,a reservoir will be filled in 12 hours.One pipe fills the reservoir 10 hours faster than the other.How many hours will the second pipe take to fill the reservoir?

6 pipes are required to fill a tank in 1 hour 20 minutes.How long will it take if only 5 pipes of the same type are used?