Question
Train X leaves Pune at a certain time. After 2 hours
Intercity Express leaves the same station and travels in the same direction at the speed of 100 km/h. If Intercity catches up the train X in 8 hours, then what is the speed of train X?Solution
Distance travelled by Intercity Express in 8 hours = 100 Γ 8 = 800 km
Speed of train X = 800 / (2 + 8) = 80 km/hr
- Pipes A and B fill a tank in 10 hours and 15 hours respectively. Pipe C empties it in βxβ hours. All three can fill the tank together in 12 hours. Find...
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...
Pipe βPβ and pipe βQβ together can fill an empty tank in 18 hours while pipe βQβ and pipe βRβ together take 12 hours to fill the same ta...
A pipe can fill a tank in 12 hours, while a leak can empty it in 18 hours. In how many hours will the tank be filled if both are open together?
- Two inlet pipes 'C' and 'D' can fill a tank in 18 minutes and 27 minutes respectively. Both are opened together. After the tank is half full, a leak develo...
- There are two inlet pipes 'M', 'N' and one outlet pipe 'O' in a tank. βMβ and βNβ can fill the tank in 12 minutes and 6 minutes respectively. βOοΏ½...
Pipe A can fill a tank in 10 hours, whereas pipe B can empty the same tank in 12 hours. If the two pipes are operated alternately for one hour each, sta...
Two inlet pipes 'A' and 'B' can fill an empty tank in 40 minutes and 80 minutes, respectively. Another outlet pipe 'C' can empty the tank in 160 minutes...
Pipe βAβ and pipe βBβ, together can fill 20% of a tank in 5 hours while pipe βCβ takes 30 hours to empty it. Pipe βAβ and pipe βBβ w...
Pipe βAβ can fill a tank in 25 hours whereas leak βAβ can empty it in 30 hours. If they both operate along with pipe βBβ, then the given tan...
