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Since the distance is same in all the conditions. Therefore, Average speed = 3xyz/(xy + yz + zx) Average speed = 3 x 40 x 70 x 120/(40 x 70 + 70 x 120 + 40 x 120) Average speed = 3 x 40 x 70 x 120/(2800 + 8400 + 4800) = 1008000/16000 = 63 km/hr
The time taken by train A , whose length is 'd' meters to cross a bridge of 300 meters is equal to the time taken by train B of length 'd + 200' meters ...
Humsafar express leaves Howrah station at a certain time. After 2 hours, Vande Bharat leaves the same station and travels in the same direction at a spe...
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 ...
Without stopping the speed of the train is 80 kmph, with stopping the speed of the train is 60 kmph.Find the stop time of the train?
A train 270 meter long running with the speed of 80 kmph crosses a bridge in 18 seconds then what is the length of bridge?
A 400 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
A train 500 m long running at 108 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
Train 'A' takes 36 seconds to pass a boy standing on a platform, moving at a speed of 15 m/sec. The speeds of trains 'A' and 'B' are in the ratio of 5:6...
720 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 se...
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...
