What does this rebus means ?

PROG WORKRESS

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

How is the moon similar to a dollar?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you start the fire using two pieces of wood?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I