Use only one mathematical symbol and all numbers (0-9) to get a sum of 99
My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?
Can you find the key in the picture below?
Solve the alphametic puzzle by replacing the alphabet with the number. S T O R M + S O L E S ========= T O W E L =========
How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?
A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?
What part of the chicken has the most feathers?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?
What is the word or phrase?
A bomb goes off. Carnage. One person, only a few feet away, survives! How can this be?
Today, I celebrated my 32nd birthday but I was born in 1972. How is this possible?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
