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?
What is the word or phrase?
There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends. What is it?
Can you count the number of quadrilaterals in the picture below?
Replace the question mark with the correct number below.
Which country gets ill every time?
I travel all around the world but always stay in the corner. What am I?
You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?
What does this below rebus puzzle mean?
Prove that twice of ten is the same as twice of eleven.
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.