People need me but they always give me away. What am I?

Paint me up to look real good, Then take me to the shop to maintain under the hood. Use a small brush to make no mistake, Or just replace me with something fake. What am I?
Show Answer            Hide AnswerA fingernail.

 

People need me but they always give me away. What am I?
Show Answer            Hide AnswerMoney.

 

Poke your fingers in my eyes and I will open wide my jaws. Linen cloth, quills, or paper, my greedy lust devours them all. What am I?
Show Answer            Hide AnswerScissors.

 

Poor people have it. Rich people need it. If you eat it you die. What is it?
Show Answer            Hide AnswerNothing.

 

Say my name and I disappear. Who am I?
Show Answer            Hide AnswerSilence.

 

Sergi and Sally where sitting in their family room one night. While Sergi was watching T.V his wife Sally was reading. All of a sudden the power went out and Sergi decided to go to bed, but Sally kept on reading. With no use of artificial light, Sally kept on reading. How?
Show Answer            Hide AnswerSally was blind. She was reading a book by Braille.

 

Shake me and I'll do what you want, but first you have to pull me from the ground. I'm on the tip of your tongue and over your shoulder. What am I?
Show Answer            Hide AnswerSalt

 

Six glasses are in a row. The first three are full of juice, the second three are empty. By moving only one glass, can you arrange them so empty and full glasses alternate?
Show Answer            Hide AnswerPour the juice from the second glass into the fifth glass.

 

Skinny I am fast, fat I am slow, but I'll still delight you from your eyes to your nose. What am I?
Show Answer            Hide AnswerA candle.

 

Smell me, buy me, and deliver me. I won't change. What am I?
Show Answer            Hide AnswerCent, scent, and sent.