So it’s been a while since probably many of you were to the primary school. Are you sure you still remember the basic math rules that apply to all calculations? Most people think that of course they do, however the practice is usually different than the reality. People simply forget things, it’s natural. Especially when it comes to the stuff that you don’t use that much and even though it’s very easy you need some time to situate yourself in the mathematical thinking again.
According to the statistics, most people answer this question wrong because they get caught in those basic math rules. To which group do you belong? Do you think you know the correct answer?