Question

Two trains A and B which are 100 km apart are travelling towards each other on different tracks with initially
speed of 50 km/h for both. The train Aaccelerates at 20 km/h? and the train B retards at the rate 20 km/h.
The distance covered by the train A when they cross each other is :
(A) 45 km
(B) 55 km
(C)65 km
(D) 60 km​

Answer 1

Answer:

ans is 162

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