Test your mental mettle with hundreds of tough but fun-to-solve puzzles and brainteasers sanctioned by Mensa, the internationally famous high- IQ society. Every day, challenge yourself with word ladders, ingenious anagram puzzles, equations, logic sequences, math riddles, unexpected twists on crosswords and word searches, and more: Exactly 1/6 of a grade of high school seniors has handed in the final English essay. When 20 more assignments come in, 1/4 of the grade will have submitted the essay. How many students are in the grade? Answers are on the reverse side of each page, in case the puzzle wins out.
about Fraser Simpson
Fraser Simpson is a high school mathematics teacher and puzzle constructor living in Toronto. He specializes in cryptic crosswords, has written several books of puzzles, and is a proud member of the National Puzzlers’ League.
Mark Danna is a full-time veteran puzzlemaker. He is the writer of the syndicated newspaper puzzle “Wordy Gurdy,” author of 16 word search books, a former Associate Editor of Games magazine, and a member of American Mensa®.