Arrowsmith by Sinclair Lewis

At examination-time, Digamma Pi fraternity showed its value to urgent seekers after wisdom. Generations of Digams had collected test papers and preserved them in the sacred Quiz Book; geniuses for detail had labored through the volume and marked with red pencil the problems most often set in the course of years. The Freshmen crouched in a ring about Ira Hinkley in the Digam living room, while he read out the questions they were most likely to get. They writhed, clawed their hair, scratched their chins, bit their fingers, and beat their temples in the endeavor to give the right answer before Angus Duer should read it to them out of the textbook.

In the midst of their sufferings they had to labor with Fatty Pfaff.