This fun brain teaser is tough and requires some out of box thinking. Initially you might think there is something wrong with this brain teaser.
Without looking at the answer lets see if you can solve the puzzle and tell us what replaces the question mark?
Were you able to figure this one out, scroll down to reveal the answer.
Post your answer in the comments section of this post.
The Answer is 27.
Don’t forget to SHARE it with your friends in case you are able to solve.
If you like logical reasoning why not try the one in the image below.