Riddle: A professional fisherman caught 30 fish during a 5-day tournament. Each day, he caught three more fish than the day before. How many fish did the fisherman catch on the first day?
Answer: He didn't catch any fish the first day, but he caught 3 on the second day, 6 on the third day, 9 on the fourth day and 12 on the fifth day.
Riddle: Joe bets Tony $100 that he can predict the score of the football game before it starts. Tony agrees, but loses the bet.
Why did Tony lose the bet?
Answer: Joe said the score would be 0-0 and he was right. "Before" any football game starts, the score is always 0-0.