In the image given, you can find several triangles. Can you count them all?
Can you find the hidden animal in the picture below?
Can you find the six hidden animals in the picture below?
Can you spot the hidden girl in the picture below?
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 given figure, move three matchsticks so that the resulting figure contains two rectangles.
Can you count the number of triangles in the given picture?
Find the Goldfish below the given Image.
Can you find out the missing number in the grid?
In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?
Can you spot the man between the coffee bean in the picture below ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.