Clean riddles

My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.

When can you add two to eleven and get one as the correct answer?

There was a railroad crossing without any cars and trucks! Can you spell that without using any "R"?

You have two cups. One cup is filled with black coffee and another cup is filled with black tea. Both cups are filled with equal quantity of respective beverages. Take one spoonful of black tea and mix with the cup of black coffee. Then take one spoonful of black coffee and mix it with the cup of black tea. Now tell, me which cup has more liquid in it? Does the cup of black tea has more liquid or black coffee has more liquid?

When does Halloween come before Valentine's day?

Find words to fit the clues, all the words end in the same three letters. _ _ _ _ _ _ Eat quickly _ _ _ _ _ _ Unverified story _ _ _ _ _ _ _ An outline

What did the store clerk say to the woman who asked to try on the dress in the window?

Why do elephants have wrinkles?

I travel all over the world. But I could not move, just stay in a same single spot. What Am I?

You always carry me in your hand, always with you, from your birth till your death! I am a fruit. What Am I?