Task: Question Answering
Input (English): Problem: two trains 120 m and 160 m long run at the speed of 60 km / hr and 40 km / hr respectively in opposite directions on parallel tracks. the time which they take to cross each other is ?
Options: a. 10.9, b. 10.7, c. 10.3, d. 10.08, e. 10.2
Output (English): d