What is both possible and impossible at the same time?
Can you quickly find which two matchstick figures are identical?
Every words stands for unique digit that makes the arithmetic equation true SEVEN + SEVEN + SIX = TWENTY. What are the digits ?
Find the next number in the series below 21 32 54 87 131 ?
Why do you find that most of the buildings are deprived of the 13th floor?
What type of tree can I carry in my hand?
Count the number of triangles in the picture below:
How can I get the answer 24 by only using the numbers 8,8,3,3? You can use the main signs add, subtract multiply and divide.
Where do fish keep their money?
How many minutes are there in Feb 2017? Note: The shortest answer is the correct answer.
Can you Find and name the hidden bird in the picture below ?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
