I’m tall when I’m young, and I’m short when I’m old. What am I?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

In which direction should the missing arrow point?

Why do you find that most of the buildings are deprived of the 13th floor?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is both possible and impossible at the same time?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?