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?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Find out which of the given views in the picture is accurately the top view of the given pyramid.

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What can you see in the middle of March and April that you can never see in any other month?

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