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

Puzzle Competitions

June 2014

Challenge yourself with this Mensa branded portable hand held game, featuring Standard, Vegas or Timer versions of Solitaire.

We have TWO to give away in our free online competition. To enter the contest simply solve the brain teaser and submit your answer by clicking on the link at the bottom of the page. Good luck!

Clock A was correct at midnight. From that moment it began to lose four minutes per hour. The clock stopped one and a half hours ago showing clock B. What is the correct time now? The clock runs for less than 24 hours.

Please click here to submit your entry

This competition closed on: 30 Jun 2014
01 Jul 2014
Reveal answer

14:30 or 2:30pm.