Question
A water tank has two holes. The 1 hole alone empties the
tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?Solution
The correct answer is A
If a tank can be filled by a tap in 14 hours, but due to an outlet, it actually takes 7 hours longer to fill the tank, find the duration in which the ou...
Two pipes A and B can fill a tank in (x+4) hours and (x+8) hours, respectively. Both pipes are opened together, and after 4 hours, pipe A is closed. Pip...
Tap βAβ and tap βBβ can fill a tank in 32 hours and 24 hours, respectively. If both taps are opened together, then find the time after which tap...
A tank can be filled by pipe A in 6 hours and by pipe B in 8 hours. A third pipe C can empty the tank in 12 hours. If all three pipes are opened togethe...
There are 6 inlet and (x-2) outlet pipes attached to a tank. Each inlet pipe takes 20 hours to fill the tank and each outlet pipe empties the fully fill...
- An inlet pipe fills a water tank in 50 minutes and an outlet pipe empties the tank in 75 minutes. How much time will both take to fill half the tank when o...
Pipe 'P' and 'Q' can fill a tank in 50 minutes and 1 hour 40 minutes respectively. 'P' is opened alone. After 20 minutes, 'P' is closed and 'Q' is open...
Pipe 'A' alone takes 30 minutes to fill half of the tank. Pipe 'B' is twice as efficient as pipe 'A'. Find the percentage of the tank filled by both in...
Pipe βAβ fills a tank in 36 hours and pipe βBβ empties it in 90 hours. If both are opened simultaneously, how much time will it take to fill 60%...
A boy is supposed to distribute Rs.3600 among his three friends P, Q and R in the ratio of 3:2:5 respectively, but mistakenly he distributed in the rati...