Cost per thousand (CPM) practice problems

Marketing Unit 10. Try each one, then open the worked solution. The Credit Sprint app generates unlimited new versions with fresh numbers.

Problem 1.

A magazine ad costs $6,000 and reaches 400,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 6000 ÷ 400 = 15.

Problem 2.

A magazine ad costs $6,000 and reaches 800,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 6000 ÷ 800 = 7.5.

Problem 3.

A magazine ad costs $4,000 and reaches 2,000,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 4000 ÷ 2000 = 2.

Problem 4.

A magazine ad costs $4,000 and reaches 200,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 4000 ÷ 200 = 20.

Problem 5.

A magazine ad costs $20,000 and reaches 2,000,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 20000 ÷ 2000 = 10.

Problem 6.

A magazine ad costs $30,000 and reaches 800,000 readers. What is the cost per thousand (CPM) in dollars?

Show solution

CPM = cost ÷ (audience ÷ 1,000) = 30000 ÷ 800 = 37.5.