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Kepler's Second Law (Law of Equal Areas) states that a planet sweeps out equal areas in equal time intervals, moving faster when closer to the Sun.
Two trains approach each other at 21 kmph and 24 kmph from 2 places 270 km apart. After how many hours they will meet?
Two trains A and B, were proceeding in the same direction on parallel tracks at 22 km/hr and 76 km/hr respectively. A man noticed that it took exactly 1...
A 440 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
A train can cross a pole in 33 seconds. While if the train increased its speed by 40% then time taken by it to cross 387 metres long platform is 42 seco...
A train can cross a pole, a bridge of 600 meter long and platform of 480 meter long in 14 seconds, _____ seconds and 30 seconds, respectively.
Th...
A train 420 metre long takes 21 sec to cross a man running at a speed of 3 km/hr in the direction same to that of train. What is the speed of the train?
Speed of train A and train B is 90 km/hr and 36 km/hr respectively. They cross each other in 10 seconds when they are running in opposite directions. Le...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 26 seconds and 16 seconds respectively. It took 18...
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 ...
