What does this rebus means ?

PROG WORKRESS

What has lots of eyes, but can’t see?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What is the centre of gravity?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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

Find the missing number in the image below.