A father's child, a mother's child, yet no one's son.
Who am I?
Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."
How old are the daughters?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.
A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.
A plane crashed between the border of Mexico and America. Where do you bury the survivors?
Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?
What two things can you never eat for breakfast?
If Rajina's daughter is my daughter's mom, who am I to Rajina?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.