Identify the 10 differences between the two given pictures.
What do you see in the image below
Which tank will fill first?
Move four matchsticks to the below square to form three squares?
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
Spot 5 differences in two Christmas tree below:
Look at the picture and find out which square is not linked with any of the other squares.
Remove two matchsticks to make the below equation correct.
Can you count the number of triangles in the picture below?
What do you see in the given picture?
In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.