Squigly Squigly's Brain Teasers

Question:

Which is measured from the circle's centre: the radius or the circumference?

Answer:

The radius.

Try another Brain Teaser:

What kills kings,
what makes mountains crumble,
and makes all life come to an end?

We have lots more puzzles to provide fun for your brain. Have fun solving these quiz questions. Choose from the following brain games: