Class Name: Placement Readiness Online Aptitude Crash Course
Class Session: Pipes & Cistern
Total Questions: 25 | Duration: 30 Mins
A cistern has two taps, A and B. Tap A can fill the cistern in 30 minutes whereas tap B can make cistern empty in 45 mins. Preethi opened both taps and she closed tap,B after 30 mins. Now calculate, how much time will it take to fill the cistern?
A tank is fixed with two taps, A and B having diameters 'd' and '2d'. If, the tap, A can empty a tank in 84 minutes, then how long will the tap,B can take to empty the same tank?
A cistern is fixed with 3 tapes, X, Y and Z, where, the tap X can fill the cistern in 2 hours and the tap Y can fill it in 3 hours. But the tap Z is fixed at the bottom of the cistern which can make the completely filled cistern empty in 6 hours. Rahul opened all three taps together at 9pm. When will the tank be full?
A cistern is fixed with 3 taps A, B and C. Tap A and B can fill a cistern in 15 hrs and 10 hrs and tap C can make cistern empty in 30 hours. Ruchi opened all 3 taps and closed tap, C after 2 hrs. Now, how much time more it would take to fill the cistern?
Pipe A can fill a cistern in 12 hours and pipe B can fill a cistern in 6 hours. Calculate the part of the cistern filled by both pipes in 1 hour, if both pipes are opened simultaneously.
Taps A and B can fill the tank in 6 hours. Now tap C joins taps A and B. So then cistern can be filled in 5 hours. Tap A can fill the tank at twice the rate of B. In what time tap B and C fill the tank?
Pipe 1 and Pipe 2 together can fill a large water tub in 2.4 hours. Pipe 1 alone can fill the tub at the rate of 100 litres per hour.Pipe 2 alone can fill the tub in 4 hours. Now find the the capacity of the tub.
Three pipes A, B and C are fixed in a cistern. Pipes A and B can fill the cistern in 1.5 hours and 2 hours. Pipe C can make cistern empty in half an hour. Now pipes A, B and C are opened at 8am, 9am and 10am. At what exact time will the cistern be empty?
A tank can normally be filled with water in 10 hours but it takes 5 hours longer to fill due to the leakage in its bottom. If the tank is full, the leakage in the tank can make it empty in ___
A cistern has leakage at its bottom. So it takes 8 hours to make it full. If there is no leakage, it will take 1 hour less to make it fill. Now find how much time will it take for the leak to make the cistern completely empty.
Pipe X can fill a cistern five times quicker than pipe Y and takes 32 minutes less than pipe Y to fill the cistern. If both X and Y are opened together, then in how much time the tank would be full?
Pipes P and Q can fill a pool in 37.5 minutes and 45 minutes. The pool can be filled in 30 minutes if both the pipes are opened together simultaneously and pipe Q is turned off after X minutes. Find X.
A faucet can fill a tub in 24 hours. But the tub has leakage at its bottom. Due to its leakage, the faucet fills the tub in 36 hours. If the tub is full, then how much time will the leak take to make the tub empty?
Three pipes A, B and C are fixed in a swimming pool. Pipes A and B can fill the pool in 5 hours and 6 hours, whereas, pipe C can make the pool empty in 12 hours. If you open all three pipes together, then the tank will be filled in ____
Pipes A, B and C can fill a tank in 4 hours, 8 hours and 24 hours respectively. If all pipes are opened together, then how many hours will it take to get the tank filled?
Two pipes can fill a cistern in 12 minutes and 24 minutes. If both pipes are opened together, how long will it take to fill the cistern?
A water pool has two pipes P and Q. P fills water at a rate of 100 litres per hour and Q fills the pool in 6 hours. The pipes P and Q together can fill the pool in 4.2 hours. Calculate the capacity of the pool.
An inlet tap fill the cistern in 12 hours and an outlet tap can empty the cistern in 16 hours. Calculate the time taken to fill the cistern, if both taps are opened simultaneously.
Pipes A and B together can fill the cistern in X minutes. Pipe A alone takes 9 minutes more than X to fill the cistern and B alone takes 16 minutes more than X. Find the value of X.
Two pipes A and B are used to fill the pool in 10 hours and 14 hours respectively. Inorder to fill the pool quicker, both pipes are opened simultaneously. Calculate the time taken to fill the pool, when both pipes are opened.
The tap can fill a cistern in 6 hours. Find the part of cistern the tap fills in one hour.
Pipes A and B can fill a tank in 24 minutes and 32 minutes respectively. Both pipes are opened simultaneously and after sometimes B is closed, so the tank fills in 18 mins. After what time B is closed?
Pipe, A is 30 m long and is 45% longer than Pipe, B. Find the length of B.
Pipes A and B are used to fill the cistern in 38 hours and 19 hours respectively. Pipe, C can empty the cistern in 133 hours. If all the pipes are opened together, how much time will be needed to fill the tank?
Pipes R and S can fill a tub in 16 minutes and 20 minutes respectively. If both pipes are opened simultaneously, how much time will it take to fill the tub?