When i'm 1 year old my brother is 2 years old, when i'm 3 years old my brother is 1 year old. 
how?

What kind of a band, never plays music?

What eight letter word contains only one letter?

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

There is a boat and not one single person is on board? How is that possible?

If I have 7 candles lit and they go out 2, 
how many candles do I have left?

if my mom is A DOG AND MY DAD IS A BANANA WHAT AM I

A teacher is yelling, she closes the door, the window and a book but what did she forget to close?

Three men enter a room but only two walk out. The room is empty. 
Where is the third man?

In a taxi there is...
A pregnant lady~25 years old
A construction worker~39 years old
A random man~52 years old
Driver~76 years old
•Who is the youngest?