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?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What happened when the wheel was invented?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Count the Triangle in the figure given below:

How could a baby fall out of a twenty-story building onto the ground and live?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?