A man dies of old age on his 25 birthday. How is this possible?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

When can we add 2 to 11 and get 1 as the correct answer?

What is full of holes but still holds water?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

There is something which is always coming but never arrives?

What is so fragile that saying its name breaks it?

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.'