In an Eight-Cylinder Engine, the Even-Numbered Cylinders Are on the Left

question 108

Short Answer

In an eight-cylinder engine, the even-numbered cylinders are on the left and the odd-numbered cylinders are on the right. A good firing order is a sequence of the numbers 1 through 8 in which right and left sides alternate.

a. How many possible good firing sequences are there ?
__________ sequences

b. How many good firing sequences are there that start with a cylinder on the left ?
__________ sequences

---

Definitions:

Insomnia

A sleep disorder characterized by difficulty falling or staying asleep.

Difficulty Falling Asleep

A sleep disorder where an individual struggles to transition from wakefulness into sleep, often leading to insufficient rest.

Awakens Easily

A trait or condition where an individual can wake up quickly and with minimal effort from sleep.

Immune System

The body's defense mechanism against infectious organisms and other invaders, composed of a network of cells, tissues, and organs.