Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
Prove that twice of ten is the same as twice of eleven.
Which of the following words don't belong in the group and why? CORSET, COSTER, SECTOR, ESCORT, COURTS
How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?
Remove two matchsticks to make the below equation correct.
I have feet, but no legs. Which animal Am I?
Prove that the below maths equation is true. 8 + 8 = 91
Different lights make me strange by changing me into different sizes. What am I?
Find the value of "?" in the ball picture Riddle below:
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
Can you divide the below-given shape into four equal and identical pieces?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
