What is at the end of a rainbow?

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

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What is so fragile that saying its name breaks it?

What runs around the whole yard without moving?

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

I have eight fingers and two thumbs but I do not live. What Am I?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

How can you leave a room with two legs and return with six legs?