Riddle Me This...

I am an odd number. Take away a letter and I become even. What number am I?

What has hands but doesn’t clap?

If a red house is made of red bricks, and a yellow house is made of yellow bricks, what is a greenhouse made of?

What has to be broken before you can use it?

What goes up but never comes back down?

What five-letter word becomes shorter when you add two letters to it?

What begins with T, finishes with T, and has T in it?

I’m tall when I’m young, and I’m short when I’m old, what am I?

What word is spelled wrong in every dictionary?

What is so fragile that saying its name breaks it?