Can you find the key in the picture below?
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
Which is the correct shadow of the bird?
John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday. Can you find out on what day was Jacob born?
As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?
What has to be broken before you can use it?
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?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
What jumps when it walks and sits when it stands?
Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.