Problem:
The figure consists of alternating light and dark squares. The number of dark squares exceeds the number of light squares by
Answer Choices:
A.
B.
C.
D.
E.
Solution:
In each row, including the first, there is one more dark square than light square. Since there are rows, there must be more dark squares than light squares.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions