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?

Solve this riddle by finding the odd one out from the rest.

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What is wrong in the below Picture?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

I know a nine-letter word having only one vowel.
Do you ?