How many times can you subtract the number two from the number fifty?

John was piloting a plane behind a car but was never able to overtake it. Why?

I make two people out of one. What am I?

I don't get anymore wetter, no matter how much rain falls on me.

What word begins and ends with an E, but has only one letter?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

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?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?