Problem:
Eleven members of the Middle School Math Club each paid the same amount for a guest speaker to talk about problem solving at their math club meeting. They paid their guest speaker . What is the missing digit of this -digit number?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The multiples of between and are , and . Only satisfies the condition, so .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions