Good Riddles

 
Riddle #253 (medium)

Question: A lawyer has a brother who is a Catholic priest. The lawyer wants to be a priest as well but cannot. Why not?

Riddle #361 (medium)

Question: If you have two twins, three triplets and four quadruplets; how many people do you have?

Riddle #641 (medium)

Question: Whoever makes me can hear me, but nobody else can.

What am I?

Riddle #750 (medium)

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

What am I?

Mass (easy)

Question: What can float but can't sink.