Brain Game: The Elevens Puzzle

filed under: , puzzle
Image credit: 
Like us on Facebook

First, examine the equation below.

 the 11 puzzle

Obviously, this equation is false. There are a few ways we could alter the equation to make it true, such as removing the + from the left side and the × from the right side to make both sides read 1111. This maneuver would NOT solve today's Brain Game, however. Too easy. Your goal:

Find a way to insert the SAME SINGLE MARK to the SAME SPOT
on both sides of the equation in order to make it true

Here is one ANSWER.

More from mental_floss...

June 30, 2009 - 3:30am
submit to reddit