A Professional Fisherman Caught 30 Fish During A 5-day Tournament. Each Day, He Caught Three More Fish
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.
Source: https://www.riddles.com/551
