Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I shave every day, but my beard stays the same. What am I?

Can you find the missing piece of the Porsche?

What is red and smells like blue paint?

What can jump higher than a building?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?