Can you find the hidden animal in the picture below?
Remove two matchsticks to make the below equation correct.
Move four matchsticks to the below square to form three squares?
Can you spot the man between the coffee bean in the picture below ?
Can you place six X (crosses) in below board without making three in a row in any way ?
See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.
In the image given, you can find several triangles. Can you count them all?
Identify the 10 differences between the two given pictures.
What do you see in the image below
Can you spot the hidden girl in the picture below?
Can you Find and name the hidden bird in the picture below ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.