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?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

What happened when the wheel was invented?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What can you hold in your right hand, but never in your left hand?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?