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?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

How can one talk without saying a single word?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

How many triangles are there in the picture below?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

What does the below rebus riddle means?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?