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 is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?