Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/ hr respectively in opposite direction on parallel tracks. The time (in second) which they take to cross each other is? ?->(Show Answer!)
1. Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/ hr respectively in opposite direction on parallel tracks. The time (in second) which they take to cross each other is?