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

In the image given, you can find several triangles. Can you count them all?

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

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Our product and our sum always give the same answer. Who are we?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?