Buy me, smell me or deliver me, I do not change.

Who am I?

If six children and two dogs were under an umbrella, how come none of them got wet?

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?

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?

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?

Find the Goldfish below the given Image.

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Can you solve the photo plexer logic ?

Through your logical capabilities, can you make 7 an even?

I know a nine-letter word having only one vowel.
Do you ?