Find the value of "?" in the ball picture Riddle below:

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

In which direction should the missing arrow point?

Through your logical capabilities, can you make 7 an even?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?