Good Riddles

Question: You have 3,000 grapes with you. You have to send these grapes to a city which is 1000 km from your farm. These are the rules that you have to follow; ◾Your truck can carry only 1,000 grapes at a time. ◾Every time you travel a kilometer towards the city you have to pay a toll tax of 1 grape. ◾You pay nothing when going in the other direction. (towards your farm) What is highest number of grapes you can get to the city?

Question: What speaks with its ear, listens with its mouth, and has 10 digits but no hands?

Question: what goes in your mouth hard and dry and comes out wet and soft?

Question: What is the only place you leave without entering it?

Question: I was crucified to keep murders out of the maze. What am I?