Can you make a six-letter word using the letters N, A and B ?

Can you name some countries which do not have the alphabet 'A' in them?

Can you place three balls such that the equation shown in the picture holds true?

The dirtier I get, the whiter I look. Who am I?

Why is 6 afraid of 7?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

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 will you call your mother's brother's brother-in-law?

Can you start the fire using two pieces of wood?