Question

Professor Shortcut records his grades using only his students' first and last initials. What is the smallest class size that will definitely force Prof. S. to use a different system?

Answer 1

Answer:

The smallest size will be "677". A further explanation is given below.

Explanation:

• Since the English alphabet seems to have twenty-six letters, the faculty member would prefers 2 letters very first as well as last. Professor would have had at that very many $26\times 26 = 676$ varying effects.
• Whilst also pigeonhole concept, whenever class size would be 677 and after that professor must be using a better or different approach.

Therefore the cheapest or smallest item seems to be "677"