1. Number and Algebra
Counting Principles — Quiz
Test your understanding of counting principles with 5 practice questions.
Practice Questions
Question 1
Which counting principle gives the total number of outcomes when one event can happen in $m$ ways and a second event can happen in $n$ ways, so the total is $m\times n$?
Question 2
How many different two-digit numbers can be formed using the digits $1$, $2$, $3$, and $4$ if repetition is allowed?
Question 3
A student must choose one shirt from $3$ shirts and one pair of pants from $5$ pairs. How many outfits are possible?
Question 4
Which statement best describes the addition principle?
Question 5
How many ways can one choose either a red pen from $2$ red pens or a blue pen from $3$ blue pens?