A father's child, a mother's child, yet no one's son. Who am I?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
I’m tall when I’m young, and I’m short when I’m old. What am I?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
I have four wings but can't fly. I express no emotions. I am found on the exact spot every time you look. I keep toiling away with a little sound. Do you know what am I?
This is a classy optical illusion puzzle. What more you can find except bricks in the image 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.
Can you move 2 matchsticks to form four equal sized squares.
1. What does: TIM JOB represent? 2. What does: MO_ _ represent?
What does this mean? CCCCCCC
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.