Task: Question Answering
Input (English): Problem: x and y are two towns. ganesh covers the distance from x to y at an average speed of 43 km / hr. however, he covers the distance from y to x at an average speed of 34 km / hr. his average speed during the whole journey in km / hr. is :
Options: a. 34, b. 43, c. 40, d. 38, e. 29
Output (English): d