Riddles

I am tall when I am young and I am short when I am old. Who am I?

I fit in really well with other but I cannot talk. I create pictures but I cannot see. What am I?

My maker doesn't want me, my buyer doesn't use me, and my user never sees me. What am I?

Forward I am heavy, and backwards I am not. What am I?

I am fruit. If you remove my first letter, it’s crime. If you remove my first and last letter, It’s kind of music. What am I?

I am a five letter word that’s under you. But if you remove my first letter I will be over you, and if you take away my first and second letter. I will be around you. What am I ?

If there are five oranges and you take away four oranges. How many oranges do you have?

What English word has three consecutive double letters?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

How many letters in the alphabet?