Advanced Brain Challenges
If you are mathematically minded and good at performing quick and tricky mental calculations, then you can test yourself against our advanced one minute brain challenges.All that you need to do is complete a sum within a time period of a minute, for instance the one below:
The advanced ones contain a larger range of operations and difficulty of degree with some easier and harder calculations to perform, but with the total difficulty of calculations weighted higher than for the other puzzles. This example above has two difficult calculations; all difficult challenges can also be created for the ultimate brain cell stirring game!
If you can complete an advanced maths brain challenge in your head within the time limit then it is safe to say that you are very competent when it comes to performing mental arithmetic!
Check out the archive over time for more advanced IQ challenges in the form of brain puzzles.