Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time. However, they still manage to cross the river. How is it possible?
What is the difference between a jeweller and a jailer?
There are forty elephants and they have forty-fore heads. How can this be possible?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
What is the last thing you take off before bed?
Who always enjoys poor health?
Who is generally closer to the kids, mom or dad? (it's a funny riddle)
Which part of London exists in France as well ?
Which alphabet is a part of our body?
Which wheel of car does not rotate when you turn your car right?
What do you get if you add 2 to 100 four times?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.