A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

What happened when the wheel was invented?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

I am the fastest animal but cannot climb the tree. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Can you make a fire with just a single stick?