How can you tell a raw egg from a hard-boiled egg?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

What can go through glass without breaking it?

What is black when you buy it, red when you use it, and gray when you throw it away?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What English word has three consecutive double letters?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?