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?

It takes 12 hours to fill a swimming pool using two pipes. If the pipe 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 each pipe take to fill the swimming pool ?

Water is pouring into a cubiodal reservoir at the rate of 60 litres per minute. If the volume of reservoir is 108m^3, find the number of hours it will take to fill the reservoir.

A swimming pool is filled by 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 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is 6\ h r s b. 10\ h r s c. 15\ h r s d. 30\ h r s

Two taps running together can fill a tank in 3(1/13) hours. If one tap takes 3 hours more than the other to fill the tank, then how much time will each tap take to fill the tank ?

Two taps running together can fill a tank in 3(1/13) hours. If one tap takes 3 hours more than the other to fill the tank, then how much time will each tap take to fill the tank ?

Two boys can paint a fence in 5 hours. How many hours would it take 3 boys to paint the same fence?

It takes an inlet pipe 2 minutes to supply 30 gallons of water to a pool. How many hours will it take to fill a 27,000 gallon pool that starts out empty?

One pipe can fill a cistren in 3 hours less than the other. The two pipes together can fill the cistern in 6 hours 40 minutes. Find the time that each pipe will take to fill the cistern.

Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?

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?