I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I know a nine-letter word having only one vowel.
Do you ?

How can you take 2 from 5 and leave 4?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What is more useful when it is broken?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

The more of this there is, the less you see. What is it?

What breaks yet never falls, and what falls yet never breaks?