Can you spot the hidden girl in the picture below?
Count the number of balls in picture below:
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
Can you find the six hidden animals in the picture below?
There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.
If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?
In the given figure, move three matchsticks so that the resulting figure contains two rectangles.
Count the Triangle in the figure given below:
Things are just as they seem, right? Well, check again. Can you count the number of tigers in this picture ?
Can you count the number of quadrilaterals in the picture below?
Can you count the number of squares in the given picture?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.