A father's child, a mother's child, yet no one's son.

Who am I?

How many triangles are there in the picture below?

What runs around the whole yard without moving?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

I cannot talk, but I always reply when spoken to. What am I?

By moving just one matchstick, you need to make the below statement true. Can you do it?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

How can one talk without saying a single word?

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?

What does the below rebus riddle means?