If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

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

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?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

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

What is so fragile that saying its name breaks it?

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 anyone tell me a word in the English dictionary which has a silent 'z'?

What two things can you never eat for breakfast?

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