French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

What is black when you buy it, red when you use it, and gray when you throw it away?

what's the probability of getting a king or a queen from a pack of 52 cards?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What's the best place to go shopping in the ocean?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

I’m tall when I’m young, and I’m short when I’m old. What am I?