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

Can you name some countries which do not have the alphabet 'A' in them?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What kind of band never plays music?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?