Riddles of Which part of human body is a Stranger

Do you say, "Nine and seven is seventeen," or "Nine and seven are seventeen"?

Answer

Neither. Nine and seven equal sixteen.

There are two cliffs, the only thing connecting them is a rope, and the rope has a basket. The basket can only hold you and one item. The items are a fox, a chicken and chicken food.

Answer

First you bring the chicken over. Then you go back without the chicken. Then you bring the chicken food over and take the chicken back. Then bring the fox over leave him there with the chicken food and go get the chicken!

WHAT ARE THE COOLEST LETTERS IN THE ALPHABET?

Answer

AC

You use a knife to slice my head and weep beside me when I am dead.
What am I?

Answer

An onion.

What is a canninbal's favorite game?

Answer

Swallow the leader.

What is greater than God, worse than the Devil and if you eat it you die?

Answer

Nothing.

I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant but I last a lifetime.
What am I?

Answer

A memory.

What comes next in the sequence:

1, 11, 21, 1211, 111221, 312211, ?, ?

Answer

13112221

You can peel my skin off, I won't cry but I'll make you cry.
Who am I?

Answer

Onion

During the day, I follow one, during the night, I follow no one. What am I?

Answer

SUNFLOWER.

Is it possible through five odd numbers to add 20?

Answer

Yes: 1+1+5+13=20

I turn everything around while standing still.
What am I?

Answer

A mirror.