Demographics and Detailed Demographics audience solutions you should use to reach female users who are 18 to 24 years old with your Google Video campaign.

• Affinity Audiences
• Life Events
• Custom Audiences
• Demographics and Detailed Demographics

The correct answer is: Demographics and Detailed Demographics

Explanation: To reach female users who are 18 to 24 years old with a Google Video campaign, the audience solution to use is Demographics and Detailed Demographics. This targeting option allows advertisers to reach potential customers who are likely to be within a particular age range, gender, parental status, household income, and other long-term characteristics. Advertisers can select the age and gender of the target audience and narrow their targeting to specific characteristics such as education, employment, marital status, and more. Demographic targeting can help advertisers avoid showing ads to people outside of their chosen demographics.