Can you move 2 matchsticks to form four equal sized squares.
John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not. Is a married person looking at an unmarried person ?
How can a man go eight days without sleep?
If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?
Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?
There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?
It's a protector. It sits on a bridge. One individual can see directly through it, while others wonder what it hides. What is it?
John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass. What did the boy do?
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
This is a simple one. You just have to count the number of Fs in the given sentence. Finished Files are the result of years of scientific study combined with the experience of years. How many did you count?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
