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?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Bay of Bengal is in which state?

What does Alexander the Great and Winnie the Pooh have in common?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

I make two people out of one. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What can go up a chimney down, but can’t go down a chimney up?