I travel all around the world but always stay in the corner. What am I?

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

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Keyboard words are not in alphabetical order, Why?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

How can one talk without saying a single word?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.