# Math pleaaaase help

posted by
**Mathslover** on
.

A national math contest consisted of 11 multiple choice questions, each having 11 possible answers. Suppose that 111 students actually wrote the exam, and no two students has more than one answer in common. The highest possible average mark for the students can be expressed as a/b where a,b are coprime positive integers. What is the value of a+b?