Ask a friend to pick a number from 1 through 1,000. After asking him ten questions that can be answered yes or no, you tell him the number.
What kind of Questions?
Puzzle provided by Kordemsky: The Moscow Puzzles (Dover)
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Ask a friend to pick a number from 1 through 1,000. After asking him ten questions that can be answered yes or no, you tell him the number.
What kind of Questions?
Puzzle provided by Kordemsky: The Moscow Puzzles (Dover)
Problem and solution
Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.
Ask a friend to pick a number from 1 through 1,000. After asking him ten questions that can be answered yes or no, you tell him the number.
What kind of Questions?
Puzzle provided by Kordemsky: The Moscow Puzzles (Dover)
Problem and solution
Illuminations works to serve you by increasing access to quality standards-based resources for teaching and learning mathematics, including interactive tools for students and instructional support for teachers.