The Boiling point of a substance is the temperature at which the vapour pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapour. The boiling point of a liquid varies depending upon the surrounding environmental pressure.
A train takes to cross a man standing on a platform and a 360m long bridge 12 sec and 30 sec respectively. How long will it take to cross a 220m long pl...
750 metres long train crosses a man who is moving in the same direction with a certain speed, in 50 seconds. If the same train can cross a tree in 20 se...
Two trains of same length are running in parallel tracks in the same direction with speed 50 km/hr and 120 km/hr respectively. The latter completely cro...
A train started from station P and preceded towards station Q at a speed of 60 km/h. 35 minutes later, another train started from station Q and preceded...
100 metre long train ‘A’ can cross a platform of length 50 metres in 20 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘A...
Train A running at speed of 81 km/hr crosses a platform having twice the length of train in 12 sec. Train B whose length is 360m crosses same platform i...
200 metre long train ‘A’ can cross a platform of length 180 metres in 10 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 6:7 respectively and the ratio of time taken by them to cross a pole is 4:5 respectively. If s...
Train ‘A’ can cross a pole in 4 seconds and a 150 metre long platform in 10 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:...
Train P, which is 300 meters long, passed train Q moving in the opposite direction toward it in 16 seconds. Train Q took 16.8 sec...
