Task: Question Answering
Input (English): Problem: excluding stoppages, the average speed of a bus is 75 km / hr and including stoppages, the average speed of the bus is 40 km / hr. for how many minutes does the bus stop per hour ?
Options: a. 15 min, b. 18 min, c. 16 min, d. 20 min, e. 28 min
Output (English): e