- Search CSN:
- Members: Login to search all areas
- Not a member? Click here to search public areas
You are here
Friday Riddle / Teaser - ANSWER
 |
Dec 03, 2007 - 9:48 am
RIDDLE: The numbers 2 and 5 are the only two prime numbers that end 2 or 5. What is the rationale for the following group of numbers: 3 17 31 47 61 7 19 37 49 67 11 23 41 53 71 13 29 43 59 73 ANSWER: The numbers are grouped by column according to their BINGO letters (B=1 through 15, I = 16 through 30, N = 31 through 45, G = 46 through 60, O = 61 through 75) |
