A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
I have an eye but still cannot see. Who am I?
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
What word begins and ends with an E, but has only one letter?
How many letters are in the alphabet?
I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?
I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?
Do You See It?
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
During which month do people sleep the least?
If an electric train is travelling south, then which way is the smoke going?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
