Which is the correct shadow of the bird?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Buy me, smell me or deliver me, I do not change.

Who am I?

If you say my name, I will no longer exist. What am I?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Why is the Hole below a Lock?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?