Question
Two trains of lengths 90 m and 70 m are moving towards each
other at speeds of 4 m/sec and 6 m/sec. How many seconds will they take to cross each other?Solution
ATQ,
Relative speed = 4 + 6 = 10 m/sec
Time taken by the 2 trains to cross each other = (90 + 70) / 10 = 160 / 10 = 16 seconds
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