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Amazon.com: ThinkFun Fifteen Puzzle - Classic Puzzle Game, Perfect for Travel, Can Fit in Your Pocket For Age 8 and Up : Toys & Games
![1+4=5, 2+5=12, 3+6=21, 8+11=??!!Reasoning puzzle!! What will replace question marks? "Viral IQ Test" - YouTube 1+4=5, 2+5=12, 3+6=21, 8+11=??!!Reasoning puzzle!! What will replace question marks? "Viral IQ Test" - YouTube](https://i.ytimg.com/vi/1abm61mpdMU/maxresdefault.jpg)
1+4=5, 2+5=12, 3+6=21, 8+11=??!!Reasoning puzzle!! What will replace question marks? "Viral IQ Test" - YouTube
VEMCO - Can you solve the Math puzzle? Share your answer below and one genius will win a Cafe Brasil Hamper! Winner will be chosen at random and announced on Aug 17th!
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