How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you write down eight eights so that they add up to one thousand?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

Solve the following series:
AZ, GT, MN, __, YB

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

How many times can you subtract the number 5 from 25?

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?