How can a man go eight days without sleep?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
Count the number of lines in the image below ?
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
When can we add 2 to 11 and get 1 as the correct answer?
What can go up a chimney down, but can’t go down a chimney up?
Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct. What is the original number on number plate?
What is the next number in the series? 15 29 56 108 208 ?
Can you arrange four 9's and use at most 2 math symbols, to make the total 100?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
What is 3/7 chicken, 2/3 cat and 2/4 goat?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
