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Puzzle Competitions

September 2015

Enter this month’s competition for a chance to win a set of Mensa branded Brain Bogglers wooden puzzles. A must for anyone who enjoys testing their logical thought process to the limit! For a chance of winning, submit your answer to the following question.

Assume you are using a basic calculator and press the numbers in the order shown, replacing each question mark with a mathematical sign. Plus, minus, multiply and divide can each be used once only. What is the highest number you can possibly score?

Please submit your entry here

Can't wait? Brain Bogglers is available to purchase from the Mensa shop here

This competition closed on: 30 Sep 2015
01 Oct 2015
Reveal answer

66 using plus, multiply, minus and divide.