What qualifies as a genius-level score on an intelligence test? To understand this, it’s essential to explore the basics of IQ testing.

Modern intelligence tests are largely derived from the original assessment developed by French psychologist Alfred Binet in the early 1900s. Binet was tasked by the French government to create a test that could identify students who required additional academic support.

Through his research, Binet introduced the idea of mental age, which reflects the intellectual capabilities of children relative to their chronological age. For instance, children of a specific age group could quickly answer certain questions, while some could tackle questions typically associated with older children, indicating a higher mental age than their actual age.

If you can solve this question, it suggests a higher IQ. Here’s the correct answer.