Can you find out who is the kidnapper in below Picture and why, Explain ?

One day, all the courtiers from Akbar's court were gathered in the assembly hall when one of them told the Emperor that all his valuables had been stolen by a thief the previous night.
This shocked the Emperor to his core as the place where that courter stayed was the most secured in the kingdom. The Emperor thought that it is not at all possible for an outsider to enter into the courtier's house and steal the valuables. Only another courtier could commit this crime. He quickly called Birbal to identify the thief.
Birbal thought for a while and successfully solved the mystery by identifying the thief in just one statement.
What did Birbal say?

If a wheel has 54 spokes, how many spaces are there between the spokes?

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?

Replace the question mark with the correct number in below Picture:

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Why do we preferably have round manhole covers and not square ones?

What kind of tree can you carry in your hand?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?