What does this rebus means ?

PROG WORKRESS

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

The dirtier I get, the whiter I look. Who am I?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

People put me on the table and cut me but do not eat me. What am I?