How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What happened when the wheel was invented?

Before Mount Everest was discovered, what was the highest mountain in the world?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Can you write down eight eights so that they add up to one thousand?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What is the next number in this series?

4,12,84,3612....

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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?