Task: Question Answering
Input (English): Problem: two trains start from a & b and travel towards each other at speed of 50 kmph and 60 kmph resp. at the time of the meeting the second train has traveled 100 km more than the first. the distance between them.
Options: a. 800 km, b. 900 km, c. 1000 km, d. 1100 km, e. 1200 km
Output (English): d