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?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

What is the longest word in the dictionary?

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

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Find the missing letter in the last circle logically in the given below picture.

How many triangles can you find in this given picture?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Find the number of squares in the below-given picture.