John was piloting a plane behind a car but was never able to overtake it. Why?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Count the number of triangles in the picture below:

There are forty elephants and they have forty-fore heads. How can this be possible?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

How many triangles are there in the picture below?

What happened when the wheel was invented?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What country can make you shiver?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?