Latest Wipro Aptitude Question SOLUTION: Two trains start from stations A and B spaced 50kms apart at the same time and speed. As the trains start, a bird flies from one train towards the other and on reaching the second

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Two trains start from stations A and B spaced 50kms apart at the same time and speed. As the trains start, a bird flies from one train towards the other and on reaching the second train, it flies back to the first train. This is repeated till the trains collide. If the speed of the trains is 25 km/h and that of the bird is 100km/h. How much did the bird travel till the collision.

Asked In Wipro (12 years ago)

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Tijo Jose  (12 years ago)

Since the trains is travelling at 25 kmph, at each other, the relative speed is 50 kmph.

Speed = 50 kmph
Distance = 50 km
Time to collision = distance / speed = 1 hr

Speed of bird = 100 kmph
Time flying = 1 hr (the bird is flying till the trains collide)
Distance travelled = speed * time = 100 km

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Shiv Kumar  (12 years ago)

Means the collision was happened at one hour. 25km by each train in hour, after one hour both the trains met collision. Bird speed is 100km/h. So the bird traveled 100 km before the trains collision

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