Subject: Organic search impression rate 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Search paid impression rate 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Impression CTR 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

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

Subject: Ad impression behavior rate 21 general knowledge quiz questions. It should take around 5 minutes to complete all the questions.

Subject: Average impressions per post 10 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: View-to-impression ratio 20 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Impressions rate 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Click-to-impression ratio 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Impressions-to-subscriber ratio 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Impressions per dollar rate 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: App store ad revenue tracking cost per thousand impressions (CPM) 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Thumbnail impressions 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Sponsorship impressions 9 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Yahoo Cost-per-Impression (CPM) 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Cost per Viewable Thousand Impressions (vCPM) 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.