There is so small cabin inside a deep forest. All the forest burned out to worst possible but the inside of the cabin is still the same. However all the person inside the cabin die. How come ?
I cannot talk, but I always reply when spoken to. What am I?
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
What is black when you buy it, red when you use it, and gray when you throw it away?
Which is the rope you never skip with?
Below, you can see some coding: January = 1017 February = 628 March = 1335 April = 145 May = 1353 June = 1064 July = 1074 August = 186 Now deciphering the way it has been coded, can you find out how September will be coded?
Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?
I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.
Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L. Can you find an "ology" that begins with a P?
What is more useful when it is broken?
How can you drop a raw egg from a height onto a concrete floor without cracking it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
