A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?
They came out at night, without being called. They lost at day, without being stolen. Who are they?
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
Can you find the missing piece of the Porsche?
Before Mount Everest was discovered, what was the highest mountain in the world?
What is more useful when it is broken?
I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
During which month do people sleep the least?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
