If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
I am a white box having no key or lid. Yet there is a golden treasure inside it. What Am I?
A word I know has six letters it contains, remove one letter and 12 remain. What is it?
Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error? x = 9.999999... 10x = 99.999999... 10x - x = 90 9x = 90 x = 10
Nine marbles are arranged in the image below. Can you slide two marbles to form a square?
A father's child, a mother's child, yet no one's son. Who am I?
Can you find the hidden animal in the picture below?
I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?
What's a single-digit number with no value?
I travel all around the world but always stay in the corner. What am I?
Can you find the key in the picture below?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
