In the given figure, move three matchsticks so that the resulting figure contains two rectangles.
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?
Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?
What number when divided in half becomes zero?
Rearrange the letters in "new door" to make one word.
I am white when I am dirty, and black when I am clean. What am I?
How could a baby fall out of a twenty-story building onto the ground and live?
Replace the question mark with the correct number.
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
What is black when you buy it, red when you use it, and gray when you throw it away?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
