Good Riddles

 
Riddle #6 (easy)

Question: What kind of tree is carried in your hand?

Question: What has a single eye but cannot see?

Riddle #8 (easy)

Question: Does a ton of feathers or a ton of bricks weigh more?

Question: 7 months have 31 days. How many months have 28 days?

Riddle #10 (easy)

Question: I have Eighty-eight keys but cannot open a single door?

What am I?