Start learning 50% faster. Sign in now
Arabic, Chinese, English, French, Russian and Spanish are the six official languages of the United Nations. English and French are the working languages of the United Nations Secretariat and are used in day-to-day professional exchanges.
A train 450 metres long is running at a speed of 54 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
Without stopping the speed of the train is 135 kmph, with stopping the speed of the train is 90 kmph.Find the stop time of the train?
Train M, ‘x’ metres long crosses (x – 34) metres long platform in 15 seconds while train N having the length (x + 34) metres crosses the same plat...
A train whose speed is 40 m/s crosses a bridge in 20 seconds. Another train which is 80m shorter than the first train crosses the same bridge at the sp...
A boy is cycling at 10 m/sec in the same direction of a train. The train crosses him in 5 seconds. If speed of the train is 90 km/hr, find the time take...
A train has to cover a distance of 112 km in 14 hours. If it covers half journey in 3/5th time, then the speed of covering the remaining dist...
Two trains started from stations ‘A’ and ‘B’ at same time and started travelling towards each other at speeds of 80 km/hr and 70 km/hr, respecti...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 28 seconds and 16 seconds respectively. It took 24...
Two cars start from a place with a speed of 20 km/hr at an interval of 8 minutes. What is the speed of a man coming from the opposite direction towards ...
Two trains running in a opposite directions crosses pole in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?