5. Counting I

Sum And Product Rules — Quiz

Test your understanding of sum and product rules with 5 practice questions.

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Practice Questions

Question 1

Which counting rule should you use to find the number of ways to do one task or another task when the two sets of outcomes do not overlap?

Question 2

Which counting rule should you use when a process has several independent steps that all must be completed?

Question 3

A bookstore sells notebooks in $3$ cover designs and $4$ paper sizes. If you choose one design and one size, how many different notebooks are possible?

Question 4

A club has $6$ robotics members and $5$ drama members, and no student is in both groups. How many students are in the club altogether?

Question 5

A code must contain one letter followed by one digit. If there are $26$ letters and $10$ digits available, how many codes are possible?