October 20, 2003
Problem of the Week

What Do We Have In Common?

Determine the common property for the numbers located in each of the 12 octagons above.

A. ___________
B. ___________
C. ___________
D. ___________
E. ___________
F. ___________
G. ___________
H. ___________
I. ___________
J. ___________
K. ___________
L. ___________

Solution to the Problem:

A. Prime Numbers
B. Multiples of Five
C. Palindromes (Numbers which read the same backwards and forwards)
D. Multiples of Seven
E. Squares
F. Sum of the Digits = 14
G. Cubes
H. Sum of the First Two Digits = Last Digit
I. Digits are in Ascending Order
J. Factors of 24
K. Sum of the Digits = 13
L. Difference of the First Two Digits = Last Digit

Correctly solved by:

1. Akash Patel	Columbus, Georgia
2. Walt Arrison	Philadelphia, Pennsylvania
3. Bill Funk	San Antonio, Texas
4. Misty Carlisle	Winchester, Virginia
5. Keith and Susan Mealy	Cincinnati, Ohio
6. Chris McCormick	Winchester, Virginia
7. Jim Kennedy	Limerick, Ireland
8. Jeffrey Gaither	Winchester, Virginia
9. Celeste Doerwaldt	Winchester, Virginia
10. Dave Smith	Toledo, Ohio
11. Kristofer Friman	Tullangsskolan, Sweden
12. Andrew Oliver	Winchester, Virginia
13. Chris, Erica, Cameron, Matt and Jared from Ms. Bearse's Grade 9 Math class	Ontario, Canada

Send any comments or questions to: David Pleacher