two trains 120 m and 80 m in length are travelling jn opposite direction with velocity 42 kmper hour and 30 km per hours respectively . how much time will they require to completely cross each other
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Answer : the train will cross each other in 10 sec.
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Hope it helps
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Explanation:
Two trains 120 m and 80 m in length are running in opposite directions with velocities 42 kmh 1 and 30 kmh 1 in what time will they completely cross each other
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