Solve the missing number
Great, you answered "55".
See here what other people have answered:
- 55
- 22
- 35
- 64
Click "CONTINUE" to proceed to the next question
Interesting fact:
Language and communication are VITAL to human development. In fact, the neocortex of the brain, which is responsible for language, makes up 76% of its area. That means that humans have the largest neocortex of any animal.