If 3 taps are open together, a cistern is filled in 3 hrs. One of the taps alone can fill it in 10 hrs and another in 15 hrs. In how many hours does the third tap fill it?

If 4 taps can fill a tank in 10 hours, then in how many hours can 6 taps fill the same tank ?

Tap K can fill a tank in 8 hours and tap L can fill the same tank in 20 hours. In how many hours both tap K and L together can fill the same tank?

Three taps A ,B and C together can fill an empty cistern in 10 min . The tap A alone can fill it in 30 min and the tapBalone can fill it in 40 min. How long will the tap C alone take to fill it?

Tap A can fill the empty tank in 12 hours, but due to a leak in the bottom it is filled in 15 hours. If the tank is full and then tap A is closed then in how many hours the leak can empty it?

Tap A can fill the empty tank in 12 hours, but due to a leak in the bottom it is filled in 15 hours. If the tank is full and then tap A is closed then in how many hours the leak can empty it?

A tap A can fill a cistern in 8 hours while tap B can fill it in 4 hours. In how much time will the cistern be filled if both A and B are opened together?

Three tapes are fitted in a cistern . The empty cistern is filled by the first and the second taps in 3 and 4 h respectively . The full cistern is emptied by the third tap in 5h . If all three taps are opened simultaneously the empty cistern will be filled up in