What does this rebus means ?

PROG WORKRESS

Can you count the number of quadrilaterals in the picture below?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

Why is the Hole below a Lock?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Can you name some countries which do not have the alphabet 'A' in them?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?