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?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Give it food and it will live; give it water and it will die.

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

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

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

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.

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

How many letters are in the alphabet?