Find the missing letter in the last circle logically in the given below picture.

Name a key which is hardest to turn.

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

How can you take 2 from 5 and leave 4?

How can you make a TV, a bed, a dog, and a car liquid?

Can you decipher the two rows to find the hidden word?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

With the help clues provided in the image, can you find the 5 digit key?

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

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?