Jun 22, 2007
By: Caroline Latham
Please enjoy this brain teaser compliments of puzzle master Wes Carroll.
The Empty Triangle
Which figure should be placed in the empty triangle?
This puzzle works your executive functions in your frontal lobes by using your pattern recognition, hypothesis testing, and logic. Let us know how you do!
The top number minus the bottom left-hand number is multiplied by the bottom right-hand number to give the number inside the triangle.
PS: Enjoy these 50 brain teasers to test your cognitive ability. Free, and fun for adults of any age!