Since even scientists can't agree on how intelligence or intelligent behavior, any purported 'measure of intelligence' is completely arbitrary, and only governed by our perception of what skills are useful for success in our current environment.

That's why you're not asked to make tools from flintstone in the SAT, but rather mathematical reasoning and other things which are in theory 'useful' to predict a measure of success in the modern western world.

Now, that was a mouthful.