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

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

If a wheel has 54 spokes, how many spaces are there between the spokes?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Do You See It?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

I am the fastest animal but cannot climb the tree. What am I?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.