Mesmerizing Mind-Bending Puzzlesby Terry Stickels, Denise M. Beggs
How many hundreds of times have you seen the top row of letters on a typewriter? Figure out the only 10-letter word that can be created from those letters. (See answer #1 below.) Next, try a simple number puzzle: What is 10 percent of 90 percent of 80 percent? (See answer #2.) Or combine letters and numbers with this puzzle: Do this quickly: Write down twelve thousand twelve hundred twenty-two. (See #3.) You'll also want to try Frame Games, that use arrangements of words and numbers to create a thought, along with the puzzles that ask you to count lots of triangles inside a larger one, and many other types of visual-letter-number mind-benders.
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