Question
Train X of length 180 m and Train Y of length 120 m are
moving in opposite directions at 8 m/sec and 7 m/sec respectively. In how much time will they completely cross each other?Solution
ATQ,
Relative speed = 8 + 7 = 15 m/sec
Time taken to cross = (180 + 120) / 15 = 300 / 15 = 20 seconds
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