I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

What has lots of eyes, but can’t see?

There are forty elephants and they have forty-fore heads. How can this be possible?

What has a ring but no finger?

Make a sentence consisting of three words that have the whole alphabet.

Prove that twice of ten is the same as twice of eleven.

What seven-letter word has hundreds of letters in it?

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

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

What is red and smells like blue paint?