Can you count the number of triangles in the picture below?
The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?
What is the next shape from answers A, B, C, and D figure?
Can you name an animal whose killing cannot be performed without spilling your own blood?
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?
Find the missing number in the sequence below:
Which is the smallest number that you can write using all the vowels exactly once?
Find three whole, positive numbers that have the same answer when multiplied together as when added together.
In the given figure, move three matchsticks so that the resulting figure contains two rectangles.
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
Teacher ask the student 'Why are you standing on that chair in music class ?'. what did student replied ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.