If two's company, and three's a crowd, then whats four and five ?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

In a Society, there are over 100 flats.

Flat 1 is named the first flat.
Flat 2 is named the second flat.
Flat 3 is named the third flat. And So On.....

A visitor decides to walk through all the flats, and he finds all the flats except flat 62.
Anmol later founds that the locals of the town have given it another name.

What is the name of the Flat?

By what process could you make a 'Tea-Table' into food?

What is harder to catch the faster you run?

Do you know who was buried in John's tomb?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?