Tap A is 50% more efficient than tap B. If tap A can fill a tank in 10 hrs, then tap B can fill the tank in ………….

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

Tap A can fill a tank in 10 hours and tap B can fill same tank in 12 hours .Tap C can empty the same full tank in 6 hours .If all the taps are opened together,then what what portion of the tank will be filled after 6 hours ?

Tap 'A' can fill a water tank in 25 minutes , tap 'B' can fill the same tank in 40 minutes and tap 'C' can empty that tank in 30 minutes. If all the three taps are opened together , in how many minutes will the tank the completely filled up or emptied ?

Capacity of tap B is 80% more than that of A.If both the taps are opened simultaneously, they take 45 h to fill the tank. How long will B take to fill the tank alone?

If tap A can fill a tank 3 times faster than tap B and takes 28 min less than tap B to fill the tank. If both the taps are opened simultaneously, then find the time taken to fill the tank.

A tank can be filled by tap A in 4 hours while tap B can fill the same in 6 hours. Tap C can empty the filled tank in 8 hours. If all the three taps are opened simultaneously. How much approximate time will be taken to fill tank completely ?

Taps A and B can fill a tank full in 3 hours. Tap B alone can fill the empty tank in 2 hours. How long will tap A take to vacate the tank if it is 25% filled.

Taps A and B can fill a tank in 15 minutes and 10 minutes, respectively while tap C can empty the full tank in x minutes. If all the three taps are opened together, the tank is filled completely in 8 minutes. Tap C can alone empty {:(3)/(8):} th part of the tank in: