Find the number of squares in the below picture

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

Solve the puzzle by telling what does below picture means.

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What do you see in the given picture?

You can hear me, but you can't touch or see me.

What am I?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.