What Adam and Eve do not have but the rest of the people have?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What can go through glass without breaking it?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months