Task: Question Answering
Input (English): Problem: a train covers a distance in 50 min, if it runs at a speed of 48 kmph on an average. the speed at which the train must run to reduce the time of journey to 40 min will be.
Options: a. 60 kmph, b. 63 kmph, c. 57 kmph, d. 70 kmph, e. 61 kmph
Output (English): a