HardFish 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?
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?
Choose an answer
A.He caught 2 fish on the first day
B.He caught 6 fish on the first day
C.He caught 1 fish on the first day
D.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.
Hint: It's a 28-word phrase with 98 letters, starting with "H".
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.
Why this is the answer
The five daily totals must form an arithmetic sequence with a common difference of 3 that sums to 30, which works out to 0, 3, 6, 9, 12.
This riddle is filed under Pet, Cat & Dog Riddles and rated Hard.