On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

If eleven plus two equals one, what does nine plus five equal?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you start the fire using two pieces of wood?

People put me on the table and cut me but do not eat me. What am I?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Take one out and scratch my head, I am now black but once was red. What am I?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?