NEED ANSWER QUICK || Suspense and Pacing
How is the clock used to create suspense and pacing in
the story?

This question is incomplete; here´s the complete question.  

Read "Object Lesson" by Ellery Queen.

How is the clock used to create suspense and pacing in

the story?

The time frame to solve the crime is established by Mr. Ellery Queen as what remains of the first period, which ends at 9:35. Being 8:56, that means that there´re 39 minutes to solve the mystery. Throughout that time, everyone keeps looking at the clock and the author provides exact information on how much time remains, creating pacing and suspense. Finally, Mr. Ellery solves it exactly at 9:35.

an great real life example for the lottery principle is the real life lottery itself. it adheres to the lottery principle so much it's even called lottery. you apply for the lottery in the manner of getting a ticket and if you are lucky, the goods are distributed to you, in this case, the huge amounts of money. there are other real life example but this is the best one.