It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.

What did Birbal give to Akbar's daughter?

What is the word or phrase?

What has to be broken before you can use it?

How can you take 2 from 5 and leave 4?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

What runs around the whole yard without moving?

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

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