Subject: Ad impression cookies 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Ad Impressions Objective 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Ad impression frequency user behavior 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression CPC 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression CPA 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression CTR 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression time on page 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression retargeting 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Ad impression frequency tracking 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Ad impression frequency CPA 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Ad impression frequency bounce rate 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Ad impression audience 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Ad impression effectiveness 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Ad impression ROI 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: App Install Cost Per Impression (CPM) Campaign 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Google Cost-Per-Thousand Impressions (CPM) 20 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.