There is something which is always coming but never arrives?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Which part of London exists in France as well ?

What is at the end of a rainbow?

Which English verb becomes past tense just by rearranging the letters?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

What has one letter and starts with an E?

What goes up but never comes down?

How can a man go eight days without sleep?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?