A boy and a girl are sitting on the porch. "I'm a boy," says the child with black hair. "I'm a girl," says the child with red hair. If at least one of them is lying, who is which?
The following question it puts forth you: 25 - 55 + (85 + 65) = ? Then, you are told that even though you might think it's wrong, the correct answer is actually 5! Whats your reaction to it? How can this be true?
No one wants to have it, but if one got it, he does not want to lose it. What is It?
Cristina was born in 1888. She just had her 30th birthday today how did that happen?
A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container. If you are asked to pick two eggs randomly from the container, at least one of them will be rotten. Can you calculate how many eggs in that container are fresh?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
Can you find a five letter word that is left with only two letters if one is removed?
The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills. How long do you think you have before you run out of pills?
It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?
What number do you get when you multiply all of the numbers on a telephone's number pad?
What is the longest word in the dictionary?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.