There are 30 balls in a bag containing red, black and white balls.
-Most of the balls in the bag are black.
-To guarantee taking out at least 2 balls of each color, you need to take out at least 26 balls from the bag.
-To guarantee taking out at least 1 white ball, you need to take out at least 24 balls from the bag.
Find how many balls there are of each color.
The Prize for This Question: Toshiba 8GB USB Flash Drive
Send your answer to ieee@bilkent.edu.tr by 5:30 p.m. on December 2, or visit 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.
