IEEE Weekly Puzzle

24 February 2014 Comments Off on IEEE Weekly Puzzle

#13 – Five-Digit Numbers

How many five-digit numbers can you formulate, with the condition that two identical digits may not appear in adjacent places?
The Prize for This Question: Rubik’s 3×3 Cube

Send your answer to ieee.bilkent.edu.tr/zeka to submit your answer online, and get a chance to win the prize!

This question was prepared by Emrehan Halıcı, president of the Turkey Intelligence Foundation, for Bilkent IEEE.