John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Where do you go to learn how to make ice cream?

Make a sentence consisting of three words that have the whole alphabet.

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

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

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Can you count the number of lines in the below picture?

The more you take me, the more you leave me behind.
Who Am I?