I know a nine-letter word having only one vowel. Do you ?
2, 3, 5, 9, 17, _ What is the next number in the sequence?
Which English verb becomes past tense just by rearranging the letters?
Which is heavier: a ton of bricks or a ton of feathers?
You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.
Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
What part of Turkey has the most feathers?
You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?
John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple. Can you find out how many did he have in the beginning?
I taste better than I can smell. Who am I?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.