Two trains are moving at 50 kmph and 70 kmph in opposite directions. T – InterviewSolution

InterviewSolution

1.

Two trains are moving at 50 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?

Answer»

7 ½ SEC

70 + 50 = 120 * 5/18 = 100/3 mps

D = 150 + 100 = 250 m

T = 250 * 3/100 = 15/2 = 7 ½ sec

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