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 |