Who can jump higher than a Mountain?

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 have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

The answer I give is yes, but what I mean is no. What was the question?

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?