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

Answer: I am a candle.

More Classic Riddles with answers

More Classic Riddles

My name is two letters. You call many people by this name, but yet their first name is not this. What is it?
My teeth are sharp, my back is straight, to cut things up it is my fate. What am I?
My thunder comes before the lightning; My lightning comes before the clouds; My rain dries all the land it touches. What am I?
My tongue is long, my breath is strong, And yet I breed no strife; My voice you hear both far and near, And yet I have no life. What am I?
My voice is tender, my waist is slender and I'm often invited to play. Yet wherever I go I must take my bow or else I have nothing to say. What am I?
Name a five letter word which has three consonants all the same and two different vowels. Every now and then you see this while running a Windows 95/98 on your PC. What is it?
NASA was considering sending canaries into space to study them under zero gravity. The project was scrapped when someone realized that in spite of having sufficient water supplies, they could die of dehydration within a few hours. Why?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot, All is cool where it is not. What is it?
No legs have I to dance, No lungs have I to breathe, No life have I to live or die And yet I do all three. What am I?
Not born, but from a Mother's body drawn, I hang until half of me is gone. I sleep in a cave until I grow old, then valued for my hardened gold. What am I?
Nothing on the outside Nothing on the inside Light as a feather Yet ten men cannot lift it. What is it?
Often held but never touched, always wet but never rusts, often bites but seldom bit, to use me well you must have wit. What am I?