Question
If the cost price of 12 pens is equal to the selling
price of 8 pens, the gain percent is ?Solution
A tank is filled by three pipes A, B, and C. Pipe A can fill the tank in 12 hours, pipe B in 16 hours, and pipe C can empty the tank in 8 hours. If all ...
An inlet pipe can fill an empty tank in 24 minutes whereas an outlet pipe can empty the fully filled tank in 36 minutes. Find the time taken by both the...
Pipe ‘A’ takes 15 minutes to fill a tank. Pipe ‘B’ takes 25 minutes to empty the same tank. If pipe ‘B’ is opened 11 minutes after pipe ‘A...
Pipe ‘A’ and pipe ‘B’ can fill a tank alone in 45 hours and 15 hours, respectively. If both pipes are opened together and pipe ‘B’ is close...
Pipe M and N can fill a tank together in 25 hours while pipe N alone can fill the tank in 30 hours. Find the time taken by pipe M to fill the tank if it...
Pipes A and B can fill a tank in 8 hours and 24 hours respectively, while pipe C can empty the full tank in 12 hours. If all three pipes are opened toge...
- A pipe can fill a tank in 36 minutes while another pipe can drain the full tank in 48 minutes. Calculate how much time both pipes working together will tak...
There was the leakage in the Oil container. If 10 litre of oil is leaked out per day then it would have lasted for 25 days and if the leakage was 16 lit...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 7) hours. If the efficiency of pipe B is double of pipe A and pipe A fill...
Time taken by ‘A’ to fill a tank, which is 60% empty, is 24 minutes, while time taken by ‘B’ to fill the same tank, when it is 40% full, is 30 ...
