Can you start the fire using two pieces of wood?
I throw two dice simultaneously. What is the probability of getting a sum as 9 of the two numbers shown?
Find the next number in the series. 1 10 24 43 67 ?
Can you count the number of lines in the below picture?
A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be?
You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'. S E Q U E N C _
Move three sticks of the spiral below to form a square.
Imagine you are in a room with no windows or doors. How will you get out?
what does this below rebus represent identXQQQQQME
John said, "If yesterday was tomorrow, today would be Friday." When did John make this statement?
I got a bee but no honey. got an eye but am still blind. got a sea but no water. got a tea but no coffee. got a why but no answer. What Am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.