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In India there are 4 biodiversity hotspots : Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland.
A train of length 180 m crosses another train of length 120 m coming from the opposite direction. If the speeds of the two trains are 6 m/sec and 9 m/se...
Two trains of same length are running in parallel tracks in the same direction with speed 84 km/hr and 120 km/hr respectively. The latter completely cro...
A 150 m long train crosses another 270 m long train running in the opposite direction in 14 seconds. If the shorter train crosses a pole in 12 seconds, ...
Train X, traveling at a speed of 72 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 108 km/hr, in 't' seconds. I...
A train 460 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:
An Indian express train is traveling at 9/15th of its normal speed and takes 45 hours to reach its destination. How much time would be saved if the trai...
Two trains approach each other at 21 kmph and 24 kmph from 2 places 270 km apart. After how many hours they will meet?
Train ‘A’ running with a speed of 126 km/hr can cross a standing goods train of 4 times its length in 25 seconds. Find the time taken by 500 metres ...
Train X running at a speed of 34 km/hr crosses train Y in 20 seconds. Find the speed of train Y (in km/hr), if the sum of the length of train X and Y is...
The ratio of the speeds of the train and the man is 4:1. The length of the train is 650 m and crosses a pole in 1 min 5 seconds. In how much time will t...