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• National Science Day is observed every year in India on February 28 to mark a significant discovery by the Indian Physicist Chandrashekhara Venkata Raman in the field of Spectroscopy . • The discovery was later named after him and is known as the ‘ Raman Effect ’.
A train 125 m long passes a man running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
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?
Train P travelling at 60 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 48 km/hr in 14 seconds...
Two trains travelling in the same direction at 80 and 44 km/ph completely pass off another in 1 minute. If the length of the first train is 375 m, what ...
A train can cross a pole in 18 seconds. While if the train increased its speed by 75% then time taken by it to cross 444 metres long platform is 42 seco...
Train ‘A’ takes 12 seconds to cross a pole and 30 seconds to cross a 360 metre long bridge. If the length of the train had been 200 metres then find...
A train 450 m long running at 72 km/hr takes 45 seconds to cross a bridge The length of the bridge is
A train traveling at 54 km/h takes 25 seconds to pass a pole. Calculate the time it would take for the train to cross a platform, given that the ratio o...
Train ‘A’ running with a speed of 63 km/hr can cross a standing goods train of 4 times its length in 24 seconds. Find the time taken by 150 metres l...
Two trains 190 metres and 160 metres in length are running towards each other on parallel tracks, one at the rate 70 km/hr and another at 56 km/hr. In h...
