If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

I have an eye but still cannot see.

Who am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Do You See It?

What is the riddle which can be asked all day with a different correct answer each time.

What happened when the wheel was invented?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?