Clean riddles

What goes up when rain comes down?

On the first day they cover one quarter of the total distance. The next day they cover one quarter of what is left. The following day they cover two fifths of the remainder and on the fourth day half of the remaining distance. The group now have 14 miles left, how many miles have they walked?

Alive as you but without breath, As cold in my life as in my death; Never a thirst though I always drink, Dressed in a mail but never a clink.

You will throw me away when you want to use me. You will take me in when you don’t want to use me. What am I?

If you throw me out the window, I'll leave a grieving wife. Bring me back, but through the door, You'll see someone giving life. What am I?

If you multiply all the numbers on the telephone, what is the answer?

What type of cheese is made backwards?

Shadow drove into the Speedy Service Station and pulled up to the pumps. "Fill it up, please," said Shadow. " This may sound strange," said the owner, "but I'd rather fill two cars from out of town than one car from this town." Shadow looked across the small town and replied, "I know just what you mean." Why would the owner feel this way?

Two men are in a desert. They're both wearing backpacks. One of the men is dead. The man who is alive, has his pack open. The dead man's pack is closed. What is in their packs?

What is as big as you are and yet does not weigh anything?