Add 9 + 1. Then mulitply 9 x 1. Do you get the same answer each time?
No. 9 + 1 = 10 and 9 x 1 = 9.
Try another Brain Teaser:
A man is lying dead in the middle of a clearing, in the middle of a forest, in the middle of a puddle, in a scuba suit. How did he die?
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