Some thinking fun for a Friday

Published 25 April 08 04:10 PM

So some colleagues stopped me in the hallway and asked if I could solve the following brain teaser, I wanted to share with you and see how quickly someone gets it.

Ok so here is the equation...

5 + 5 + 5 = 550

What you are allowed to do is place a single line in to the equation to make it correct, and you cannot put the line through the equals sign to say that the equation is incorrect.

Lets see if someone can come up with the answer, if not I will post the answer next week. :-)

I kicked myself when I was demonstrated the answer.

by Matthew Hardman

Comments

# Swa said on April 25, 2008 3:25 AM:

545+5=550, where the little line is added vertically on the first or second plus sign.

# Swa (aka Francois Vanderseypen) said on April 25, 2008 3:27 AM:

Just an extra post with an URL if you wish to acknowledge the brilliant double solution I supplied ;)

Thanks for the challenge, I enjoyed it :)

# csaszar.peter said on April 25, 2008 3:45 AM:

http://www.metacafe.com/watch/294857/straight_line_riddle/ ;)

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About Matthew Hardman

Matthew Hardman is the Platform Strategy Manager for Microsoft Singapore. In his role, Matthew works on helping customers get the best value out of their investment in the Microsoft platform.

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