Actually, 100 is considered to be the theoretical average in the world. There are different interpretations of IQ scores, but an IQ score between 90 and 109 indicates a normal or average intelligence. This is a standardized method to know your mental ability, which is measured in comparison to a peer group. In comparison to other people of your age, your IQ test result reveals how well you did on these tests of mental abilities. In fact, your IQ score is a representation of both fluid and crystallized intellect. The purpose of intelligence tests is to assess a person’s ability to solve problems and do reasoning tasks. In this article, you’ll learn about IQ scores and the suitable scores for yourself. The question is how well your brain ability should be so that you can perform great in a job and how you can measure your mental ability. Having a certain degree of brain ability is of paramount importance to each job.