Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you tell a 3D object that has just two surfaces?

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

When can we add 2 to 11 and get 1 as the correct answer?