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

What does below rebus means ?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

You can see it everyday, But cannot touch it at will. What is it?

Can you write down eight eights so that they add up to one thousand?

What is the word or phrase below?
R | E | A | D

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Find the Goldfish below the given Image.