Mental Arithmetic

Mental Arithmetic

Play this quiz to get up to 20 entries into this prize draw

Win £200 to spend at Curious Minds

If you are a fan of science, then this prize will fascinate you. Quiz Factor is giving away £200 to spend at Curious Minds.
You can buy all sorts of wonderful, ingenious, science related toys and kits suitable for adults and children alike. Curious Minds is an online science shop featuring a wide range of Science, Nature, Space, & Technology products, toys, kits and gifts which are all vetted for scientific integrity by ex-NASA/HST staff.

Prepare to be wowed!

Products available

  • Biology kits
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  • Engines
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How to play our Time Trial Quizzes


Time Trial Quizzes are designed to test your knowledge of specialist subjects. The more correct answers you achieve in the shortest time will give you a higher position on the Leaderboard.

How to play

  • Select your Time Trial quiz z
  • Either click on the ‘Play as a Guest’ button
  • Alternatively login or join Quiz Factor and then click on the ‘Start Quiz’ button
  • For each of the 20 questions you have four possible answers
  • Click on the answer that you think is right
  • Continue until you have answered all 20 questions

To see the answers, bank your prize draw entries or post your score to the Time Trial Leaderboard please either login or join Quiz Factor.


You’re against the clock so don’t waste time if you don’t know the answer! It’s best to gamble on an answer before the question times out and have a 4/1 chance of get it correct