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

I’m tall when I’m young, and I’m short when I’m old. What am I?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

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

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

If you say my name, I will no longer exist. What am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

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?