Can you write down eight eights so that they add up to one thousand?
What word begins and ends with an E, but has only one letter?
How can you write nineteen in a manner that if we take out one, it becomes twenty?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?
I possess a head I flaunt a tail But I don't have mouth or legs Can you find out who I am?
They came out at night, without being called. They lost at day, without being stolen. Who are they?
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?
I have a hole in my back and legs I lack. I live where I can’t breathe and I eat without teeth. What am I?
What breaks yet never falls, and what falls yet never breaks?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.