HOW STUFF WORKS
QUIZZES

Ultimate KenKen Quiz
by Staff
Do you slaughter the daily Sudoku grid? Turn crossword puzzles into carnage? See how much you know about one of the newest strategy-based brain teaser games called KenKen.

### Who invented KenKen puzzles?

• Tetsuya Miyamoto
• Kenneth Kennedy
• Will Shortz

### KenKen is similar to what other popular puzzle?

• crossword puzzles
• Jumble
• sudoku

### What does the name "KenKen" mean?

• nothing
• double math
• wisdom squared

### Do you need to have a lot of math skills to solve a KenKen puzzle?

• No math skills are needed, just logic.
• You need to know algebra.
• You need to know basic arithmetic.

### What is the name of the computer program that creates KenKen puzzles?

• Kenerator
• Knumber Kruncher
• Ken Koder

### In which newspaper did KenKen puzzles first appear daily?

• The New York Times
• The Times (UK)
• The Japan Times

• Nextoy
• Hasbro
• Mattel

### Which was the first American magazine to run KenKen puzzles?

• Mental Floss
• Scientific American

### Which U.S. puzzle guru helped popularize KenKen?

• David Hoyt
• Bobby Fischer
• Will Shortz

### What grid sizes are used in KenKen puzzles?

• 3-by-3 to 9-by-9
• 4-by-4 to 8-by-8
• 5-by-5 to 9-by-9

• coops
• cages
• corrals

### What math function might be specified in each cage?

• only multiplication or division
• addition, subtraction, multiplication or division

### What is the rule regarding repeating numbers?

• You cannot use any number more than twice in any row or column.
• Numbers cannot be repeated in any row or column.
• Numbers cannot be repeated in rows, but they can be repeated in columns.

### Can there be more than one answer to a KenKen puzzle?

• no
• Yes, each puzzle has two correct answers.
• Yes, each puzzle has the same number of correct answers as its corresponding number of grids.

• 0, 1, 2, 3
• 1, 2, 3, 4
• 1, 2, 4, 8

• 5 students
• 20 students
• 50 students

### What kind of instruction does Miyamoto give his students?

• He teaches philosophy and logic.
• He does not teach his students.
• He teaches his students math and science.

• three
• six
• nine

### Are larger-grid puzzles harder to solve than smaller-grid puzzles?

• Larger-grid puzzles are usually harder than the smaller-grid puzzles.
• Yes, the larger the grid, the harder the puzzle.
• No, size has no relation to degree of difficulty.

### Which of the following is NOT a good tip if you're having difficulty solving a KenKen puzzle?

• Solve cages with an even number of boxes first.
• Fill in any one-box cages first.
• Focus on cages with prime numbers because they have a limited number of possible solutions.
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