What is so fragile that saying its name breaks it?

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

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There is something which is always coming but never arrives?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

How far can you walk into the woods?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

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?