Bilkent IEEE Weekly Puzzle

25 November 2013 Comments Off on Bilkent IEEE Weekly Puzzle

#8 – Heads or Tails

You and your friend have 9 and 10 coins, respectively. Both of you toss your coins and then count the number of heads that result. What is the probability that your friend has obtained more heads than you have?

The Prize for This Question: Rubik’s Cube Keychain

The Winner of Puzzle #6: Muhammet Emre Şahinoğlu

Send your answer to by 5:30 p.m. on December 3, or visit 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.