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

Week 31 - Thursday

What number should replace the question mark?

The answer to this puzzle will be revealed on 03.08.15

Have you got what it takes? Try the Mensa Workout here

03 Aug 2015