What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

How many letters are in the alphabet?

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?

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

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?