1.

Two trains 140 m and 160 m long run in the opposite directions on parallel tracks at the speed of 60 km/hr and 40 km/hr respectively. Calculate the time they take to cross each other.

Answer»

Two trains 140 m and 160 m long run in the opposite directions on parallel tracks at the speed of 60 km/hr and 40 km/hr respectively. Calculate the time they take to cross each other.




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