Question

a distance between two stations A and B is 220km. A train leaves A toward B at an average speed of 80km/hr. after half an hour another train leaves B toward A at an average speed at 100km/hr. the distance of the point of two train meet , from A is​

Answer 1

Answer:

120 km

Step-by-step explanation:

Let the required distance be x km.

Then, ( x/80 ) - ( 220 - x ) / 100 = 1/2

⇒ 5x - 4( 220 - x ) = 200

⇒ 9x = 1080

⇒ x = 120 km

∴ Required distance = 120 km

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