
A mystery that logic alone cannot solve
Uncover the truth with Yes/No questions

A man, thinking 'I want to buy the cheaper one,' bought the more expensive one. How could this be?

Ask questions that can be answered with "Yes" or "No"

Keep asking questions to uncover the hidden truth

Declare your answer when you think you've solved it

A mystery that logic alone cannot solve
Uncover the truth with Yes/No questions

A man, thinking 'I want to buy the cheaper one,' bought the more expensive one. How could this be?

Ask questions that can be answered with "Yes" or "No"

Keep asking questions to uncover the hidden truth

Declare your answer when you think you've solved it