It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What has many teeth, but cannot bite?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

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?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

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

What number should come in place of the question mark below?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Find the next number in the sequence

5 12 24 36 ?

Can you identify the famous TV character from the rebus below?