If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

What does below rebus means ?

Why is 6 afraid of 7?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

What came first, the chicken or the egg?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

2, 3, 5, 9, 17, _ What is the next number in the sequence?