Which number should replace the question mark?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Why are all black people so quick ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

What is wrong in the below Picture?

Spot 5 differences in two Christmas tree below: