Riddles 6

Riddle 1: What never asks questions but is often answered?

Riddle 2: What belongs to you but other people use it more than you?

Riddle 3: I have a large money box, 48 centimeters square and 42 centimeters tall. Roughly how many coins can I place in my empty money box?

Riddle 4: What does this mean? I RIGHT I

Riddle 5: What 5-letter word becomes shorter when you add two letters to it?