Identify the hidden meaning behind this picture?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

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?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

What is the next number in this series?

4,12,84,3612....

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?