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:
How many apples can you fit into an empty box?
We have lots more puzzles to provide fun for your brain. Have fun solving these quiz questions. Choose from the following brain games: