Can you count the number of quadrilaterals in the picture below?
Complete the following series. It.s very logical: 1, 4, 5, 6, 7, 9, 11, __?
What is in seasons, seconds, centuries and minutes but not in decades, years or days?
What goes up but never comes down?
A man was just doing his job when his suit was torn. Why did he die three minutes later?
Find the hidden tiger in the given optical illusion ?
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?
Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?
What is black when you buy it, red when you use it, and gray when you throw it away?
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?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
