Why do you find that most of the buildings are deprived of the 13th floor?
A maths symbol is hidden in the below Bar Graph. Can you decipher it?
There is one four-digit whole number n, such that the last four digits of n2 are the original number n
Can you spot the hidden girl in the picture below?
I am under you when I am whole. I shift above you if you remove the first letter. I come all around you if you remove the second as well. Can you tell me who I am?
If a wheel has 54 spokes, how many spaces are there between the spokes?
What three numbers, none of which is zero, give the same result whether they’re added or multiplied?
Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?
You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room. How will you decide which one of those is magnet?
What two things can you never eat for breakfast?
What time is it when an elephant sits on a fence?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
