0.5 × 1 + 1 = 1.5 1.5 × 2 + 2 = 5 5 × 3 + 3 = 18 18 × 4 + 4 = 76 76 × 5 + 5 = 385
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
Pipe ‘A’ can fill a 120-litre tank in 15 hours. If pipe ‘A’ is 25% more efficient than pipe ‘C’ whereas pipe ‘B’ is 50% more efficient t...
Three taps A, B and C can fill a tank in 10, 18 and 6 hours, respectively. If B is open all the time and A and C are open for one hour each alternativel...
Tap ‘A’ and tap ‘B’ can fill a tank in 32 hours and 24 hours, respectively. If both taps are opened together, then find the time after which tap...
Pipes 'A' and 'B' have the capacity to fill a tank in 12 hours and 15 hours, respectively. Conversely, pipe 'C' can drain the same tank in 20 hours. Ini...
Two inlet pipes, each with the same capacity, can fill an empty tank 'A' together in 20 minutes. There is also an outlet pipe that can empty 40% of the ...
In bucket A and B, the quantity of mixture are (3z-25) litre and (5z+25) litre respectively. If (y-15) and (y+60) litres of water is mixed in bucket A a...
Pipe A and Pipe B can fill a cistern together in 18 minutes. Pipe B is 50% more efficient than pipe A. Find the capacity of cistern, if it is given tha...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 5) hours. If the efficiency of pipe B is double of pipe A and pipe A fill...
If a tank can be filled by a tap in 16 hours, but due to an outlet, it actually takes 4 hours longer to fill the tank, find the duration in which the ou...