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

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

What is at the end of a rainbow?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

It belongs to you, but other people use it more than you do. What is it?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

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?