Logic Riddles

Question: 20 people jump into an empty swimming pool but 24 heads come up. How did this happen?

Question: When the answer I give is yes, it is no, and when the answer I give is no, it is yes. What is the question?

Question: A baseball pitcher plays during 9 innings, gets 27 strike outs, and only throws 81 pitches. But they still lose 1-0 to the other team.

How is this possible?

Question: There were 3 men playing on a field playing a game. The guy that had the lowest score won the game. How is this possible?

Question: There are 31 horses on a cliff, first they jump into the air, then they come down and stop, then they stand still.

Why do they do this?