Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you decipher the two rows to find the hidden word?

What makes this number unique: 8,549,176,320?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What word begins and ends with an E, but has only one letter?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What Adam and Eve do not have but the rest of the people have?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?