What does this rebus puzzle means ?

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's a single-digit number with no value?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In the four images below, can you find the odd one out?

Buy me, smell me or deliver me, I do not change.

Who am I?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

You can see it everyday, But cannot touch it at will. What is it?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?