Find out about yourselfJoin Mensa nowBrowse our shop

Mensa Group

Were you previously a member? Rejoin


Are you a member of another National Mensa? Become a Guest member

Mensa Brainteasers

Which of the numbers is the odd one out?

26 Jul 2012
Reveal answer

594. In each group the first and third digits are multiplied to get the second digit.