Why is it very easy to weigh a fish?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag