Find the number of squares in the below picture
Which letter of the alphabet has the most water?
Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?
What type of tree can I carry in my hand?
Prove that the below maths equation is true. 8 + 8 = 91
Begin with a word, five letters to my name, Remove the first and last but I am the same Take out my middle and still, I remain. What word am I?
What part of the chicken has the most feathers?
What you cannot hold but it is yours?
What is the coolest letter in the alphabet?
What does this Rebus Picture means ?
A word I know, Six letters contain, Subtract just one, And twelve is what remains.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.