What does does this rebus picture means ?

What has a bottom at the top?

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?

Find the number of squares in the below-given picture.

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

What number should come in place of the question mark below?

Can you spot the man between the coffee bean in the picture below ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?