What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?
Find the mistake in the below maths equations A = 2 A(A-1) = 2(A-1) A2-A = 2A-2 A2-2A = A-2 A(A-2) = A-2 A = 1
What can jump higher than a building?
An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?
Can you Find and name the hidden bird in the picture below ?
What's the only room from which no one can enter or leave
Why do we preferably have round manhole covers and not square ones?
Count the number of triangles in the below picture?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence. Do you know what word is that?
What is the largest number you can write with just 3 digits?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
