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Puzzles

One activity that many of our members enjoy is puzzling! You can test yourself for fun with our brainteasers. Our quizzes and conundrums are updated regularly, so do check back on the page for the latest content, and if you get really good at them, why not find out what your IQ is by booking a Mensa Supervised IQ Test?

Week 27 – Thursday

A celebration cake is cut into pieces.

In the first hour one fifth of the cake is eaten.

The next hour one third of the remainder is eaten.

The following hour one quarter of the remaining pieces are eaten

and in the fourth hour half of the remaining cake is eaten.

There are still 10 pieces of cake left.

How many pieces of cake have been eaten?

  • Show Answer

40.

Puzzles for business use

We are also able to supply puzzle content to businesses, tailored to your needs. This can range from one-off media projects for marketing campaigns and content for newspapers, magazines and company websites, to long-running partnerships and licensing agreements.

Find out more by contacting our marketing team, via: communications@mensa.org.uk