April 2009
Problem of the Month

Missing Number Problem
Jola Sigmond in Games Magazine March 2009

Determine the correct number to replace the question mark in the figure below.

Solution to the Problem:

The answer is 11

Each pair of horizontally adjacent numbers add up to the square of the number right below them.
4x4=16 (7+9)
7x7=49 (38+11)
9x9=81 (11+70)
11x11=121 (83+38)

Correctly solved by:

1. Morgan Vercimak	Mountain View High School Mountain View, Wyoming
2. Stephanie Graham	Mountain View High School Mountain View, Wyoming
3. Jacquelyn Heltz	Mountain View High School Mountain View, Wyoming
4. JD Pitts	Mountain View High School Mountain View, Wyoming
5. Michelle Johnson	Mountain View High School Mountain View, Wyoming
6. Cherish Register	Mountain View High School Mountain View, Wyoming
7. Les Walker	Ventura, California
8. Jeremy Harmon	Mountain View High School Mountain View, Wyoming
9. Philipp Heise	----------
10. Richard K. Johnson	La Jolla, California

Send any comments or questions to: David Pleacher