Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

The more of this there is, the less you see. What is it?

Can you Find and name the hidden bird in the picture below ?

How many letters are in the alphabet?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What word is represented by this rebus?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Which number should replace the question mark?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?