If you say my name, I will no longer exist. What am I?
Can you find the missing piece of the Porsche?
On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off. How many candles Sayna have at the end?
Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?
It begins where the time ends. Its second is an expression of surprise. Its third is a question. Its fourth is urinate. It ends with a drink. Which country it is?
I can be cracked, made, told, and played. What am I?
John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age. Can you find their ages?
What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
What numbers should go on the bottom line? 3 6 9 15 8 2 10 12 11 8 19 27 19 10 29 39 ? ? ? ?
A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask. For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away. How did he die then?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.