Mind Workout Puzzles

"...extremely good problems...covers a very wide portion of the puzzle spectrum."--from puzz.com. Physical exercise strengthens your body--and deciphering these puzzles helps train your brain and keep you "mentally fit"! Improve your intellectual flexibility and ability to problem-solve in all facets of life with 90 conundrums that include word and math puzzles, visual dilemmas, codes to crack, patterns and series to complete, analytical reasoning tests, probabilities, and more. You don't need any special skills or talents to find the answers, just a little imagination, perseverance, patience, and maybe an occasional hint. And you'll find, to your great pleasure, that the more you do, the better you'll get. So, sharpen you wits and give this little brainteaser a try: How many different squares of any size are in this figure? Answer: There are 14 squares.