Task: Question Answering
Input (English): Problem: a flagstaff 17.5 m high casts a shadow of length 40.25 m. the height of the building, which casts a shadow of length 28.75 m under similar conditions will be ?
Options: a. 10 m, b. 12.5 m, c. 12 m, d. 13 m, e. 14 m
Output (English): b