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 |