There are two trains slower one of which is 250 meters long traveling at 50 meters/ sec. They take 25 seconds to cross each other while traveling in the same direction and take 5 seconds when they cross in opposite directions. What is the speed and length of the second train 1. 50 m/sec and 350 meter 2. 50 m/sec and 375 meter 3. 75 m/sec and 350 meter 4. 75 m/sec and 375 meter 5. None of these