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

Two taps A and B can fill a tank in 10 hours and 40 hours respectively. In how many hours will the tank be filled, if both the taps were opened simultaneously?

Two taps A and B can fill a tank in 10 hours and 40 hours respectively. In how many hours will the tank be filled, if both the taps were opened simultaneously?

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?

Pipe C can fill a tank in 12 hours and pipe D can fill the same tank in 40 hours. In how many hours both pipe C and D together can fill the same tank?

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 ………….

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 ………….

A tap can fill a tank in 10 hours and another tap can empty the tank in 15 hours. If both the taps are opened together how much time will be taken to fill (2)/(3) of the tank.

7 taps of the same size fill a tank in 1 hour 36 minutes. How long will 8 taps of the same size take to fill the tank?