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 do you think with the below Picture ?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Can you replace the question mark with the correct number?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.