If an advertiser has the same keyword in 2 different ad groups, the one entered in a given auction will have:

If an advertiser has the same keyword in 2 different ad groups, the one entered in a given auction will have:

• highest maximum cost-per-click (CPC) bid.
• most historical data in the account.
• best Quality Score.
• highest Ad Rank.

The correct answer is:

highest Ad Rank.