Pinoy Jokes And Logics 2

Riddles of the week 1

1. You buy it black, use it red, and throw it away grey. What is it?

2. A plumber and an electrician are waiting in line to see a movie. One of the two is the father of the others son. How can this be?

3. Which one is right:
The yolk of an egg is white
The yolk of an egg are white

4. A girl and a doctor are walking on the street. The girl is the doctor's daughter but the doctor isn't the girl's mother. How can this be?

5. The maker of this object has no use for it. The buyer would make use of it. And the user won't know he's using it. What am I?