Eight Clever Logic Riddles to Test Your Wit
A collection of eight thought‑provoking riddles that require careful analysis and clever inference.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
A farmer must ferry a wolf, a goat, and a cabbage across a river using a boat that holds only him and one item. He cannot leave the wolf alone with the goat, nor the goat alone with the cabbage. Which item should he transport first?
- 2
Three switches sit outside a room, each controlling one of three bulbs inside. You may enter the bulb room only once. Which procedure lets you identify each switch’s bulb?
- 3
You have two ropes that each take exactly one hour to burn, but they burn unevenly. How can you measure exactly 45 minutes?
- 4
Five people sit in a row: Alex, Beth, Carl, Dana, and Eli. Alex is not at an end. Beth sits directly left of Carl. Dana sits two seats away from Alex. Who occupies the far right seat?
- 5
What number completes the sequence: 2, 6, 12, 20, ?, 42?
- 6
Using a balance scale and twelve identical balls, one of which is heavier, what is the fewest weighings required to guarantee finding the heavier ball?
- 7
In a cipher each letter is shifted forward three places (A→D). The coded word is KHOOR. What is the original word?
- 8
You have two eggs and a 100‑floor building. What is the minimum number of drops needed in the worst case to determine the highest safe floor?
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