What does this rebus means ?

PROG WORKRESS

No one wants to have it, but if one got it, he does not want to lose it. What is It?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

What will you call your mother's brother's brother-in-law?

I travel all around the world but always stay in the corner. What am I?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

I cannot talk, but I always reply when spoken to. What am I?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?