I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Can you replace the question mark with the correct number in the below table sequence?

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?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Can you start the fire using two pieces of wood?