Funny Riddles

Question: What goes up, lets out a load, then goes back down?

Question: I grow from trees and your home,
once I am grown I fall to my doom.

What am I?

Question: I have 13 arms, 10 legs, 2 head, and smell like burnt denim.

What am I?

Question: An empty bus pulls up to a stop and 10 people get on. At the next stop 5 people get off and twice as many people get on as at the first stop. At the third stop 25 get off.

How many people are on the bus at this point?

Question: How many letters are in the alphabet?