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Brain Teaser to test your pattern recognition and other cognitive skills: The Empty Triangle

Please enjoy this fun brain teas­er, pro­vid­ed by puz­zle mas­ter Wes Car­roll.

The Empty Triangle:

Pattern Recognition Test - Empty Triangle

Question:

Which num­ber should be placed in the emp­ty tri­an­gle? 

This puz­zle helps you work out your exec­u­tive functions–activating the pre­frontal cor­tex in your brain–by engag­ing your pat­tern recog­ni­tion and oth­er cog­ni­tive abil­i­ties such as hypoth­e­sis test­ing, and log­ic.

Let us know how you do!

——–

ANSWER:

3

EXPLANATION:

The top num­ber minus the bot­tom left-hand num­ber is mul­ti­plied by the bot­tom right-hand num­ber to give the num­ber inside the tri­an­gle.


More brain teasers and games for adults of any age:

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As seen in The New York Times, The Wall Street Journal, BBC News, CNN, Reuters,  SharpBrains is an independent market research firm tracking how brain science can improve our health and our lives.

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