Why is Saturday stronger than Monday?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

What came first, the chicken or the egg?

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?

Which city is three-fifths chick two third cat and 50% goat?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What is full of holes but still holds water?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?