What does this rebus means ?

PROG WORKRESS

Can you replace the question mark with the correct number?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What does does this rebus picture means ?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

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?

What does it mean?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

Can you write down eight eights so that they add up to one thousand?