Identify the hidden meaning behind this picture?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Which word does the below Plexor means ?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

What is the relationship between these matchstick pictures below?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?