All eyes are on London for the start of the 2012 Olympics, so today's mentalfloss.com Brain Game Free-for-all Friday challenge tests your knowledge of the most recognizable Games symbol. Good luck:
Name the colors of each of the five interlocking rings that appear on the Olympic flag.
Here are the ANSWERS.
(from left to right): BLUE, YELLOW, BLACK, GREEN, RED.
Thanks for playing, and have a great weekend!