What is the centre of gravity?

How is the moon similar to a dollar?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What is both possible and impossible at the same time?

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

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Can you make a six-letter word using the letters N, A and B ?

What 5-letter word typed in all capital letters can be read the same upside down?

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?