An advertiser who is trying to reach 25-30 year old males, should use “Demographic targeting”.
- Interest category targeting
- Contextual targeting
- Keyword targeting
- Demographic targeting
The correct answer is: Demographic targeting
Explanation: An advertiser who is trying to reach 25-30 year old males, should use “Demographic targeting”. You can reach a specific set of potential customers who are likely to be within a particular age range, gender, parental status, or household income using this demographic targeting option. Keep in mind that demographic targeting is an option to narrow your targeting. In other words, it helps prevent people outside of the your chosen demographics from seeing your ads.
Read more here: https://support.google.com/adwords/answer/2580383