Question
If X : Y = 5 : 4, then what is the value of X + Y : Y?
Solution
X = (5Y/4)----(1) = [(X + Y)/Y] = [((5Y/4) + Y)/Y] = (9/4) Hence the ratio will be = 9:4
A tank can be filled by pipe A in 12 hours and by pipe B in 18 hours. A waste pipe C can empty the full tank in 36 hours. If all three pipes are opened ...
Pipe P can fill a tank in 25 hours and Pipe Q can emptied it is 30 hours. Pipe P starts filling and they opened for 1 hour each alternatively in what ti...
Two pipes P and Q can fill tank A in 36 minutes and 72 minutes respectively and empty pipe M can empty the tank in 54 minutes. Tank A has the capacity o...
Two pipes A and B can fill a tank in 12 min., and 16 min, respectively. If both the pipes are opened simultaneously, after how much time A should be clo...
Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time...
Pipes 'J' and 'K' can fill a tank in 12 hours and 18 hours respectively, while pipe 'L' can empty it in 36 hours. All pipes are opened together when the...
Pipes βAβ and βBβ can fill a tank in 6 hours and 8 hours, respectively and pipe βCβ can empty the full tank in 12 hours. All three pipes are...
Pipe βXβ and pipe βYβ can fill a tank in 30 hours and 45 hours respectively. Pipe βZβ is 20% more efficient than pipe βXβ. If pipe βYοΏ½...
In how many minutes can the faster Tap alone fill the tank, if Tap P and Q, working together, can fill the tank in 45 minutes and Tap P is three times f...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 6 hours while pipe ‘C’ takes 34 hours to empty it. ...
