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 dirtier I get, the whiter I look. Who am I?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What number should come in place of the question mark below?

What is the next shape from answers A, B, C, and D figure?

Which point will the car reach to go out?

When is the top of a mountain similar to a savings account?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”