Good Riddles

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

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

What am I?

Question: I have two arms, but fingers I have none. I've got two feet, but I cannot run. I carry well, but I carry best with my feet off the ground. What am I?

Question: Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.

Note: Each must be used exactly once and no other numbers or symbols can be used.

Question: I have lakes with no fish.
I have roads with no cars.

What am I?