Can you find the missing piece of the Porsche?
I look at you, you look at me, I raise my right, you raise your left. What am I?
In which direction should the missing arrow point?
Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one? 5 $ 4 $ 3 $ 9 = 4215 6 $ 9 $ 2 $ 6 = 3816 4 $ 7 $ 3 $ 3 = 1122 7 $ 2 $ 7 $ 4 = ____
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
The ages of a father and son add up to 66. The father's age is the son's age reversed. How old could they be? (3 possible solutions).
You see me once in June, twice in November, and not at all in May. What am I?
I’m orange, I wear a green hat and I sound like a parrot. What am I?
81 x 9 = 801. What must you do to make the this equation true?
Why is it very easy to weigh a fish?
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.
