What has hands, but can’t clap?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

I have branches, but no fruit, trunk or leaves. What am I?

If eleven plus two equals one, what does nine plus five equal?

What makes this number unique: 8,549,176,320?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Which alphabet letter is a question?

Which is the smallest number that you can write using all the vowels exactly once?

A bomb exploded in a room full of married couples and no one died. How?