Brain Teaser! August 22, 2009
posted by RK -Cramster US on 8/22/2009 1:54:27 PM
Here is this week's brain teaser. Remember to post your answer to the discussions tab of the Cramster.com Facebook Fan Page!
Here's the latest brain teaser:
Arrange the numbers "11337799" to form an 8-digit number (referred to as "ABCDEFGH") that will meet the following conditions:
1. ABCDEFGH is a prime number
2. HGFEDCBA (reversing the digits) is a prime number
3. All consecutive two-digit subsets of ABCDEFGH are prime numbers (AB, BC, CD, DE, EF, FG, GH are all prime)
4) All consecutive two-digit subsets of HGFEDCBA are prime numbers (HG, GF, FE, ED, DC, CB, BA are all prime)
Know the answer?
First one to post the correct answer to the discussion tab of the
Cramster.com Facebook Fan Page gets 10 karma points this week!