You’re working on the bidding strategy for a Search Network campaign. If the cost-per-conversion for mobile is lower than for the desktop, how might you optimize the bidding strategy to increase the number of conversions?

  • Increase the mobile bid adjustment for the campaign
  • Decrease the mobile bid adjustment for the campaign
  • Increase the number of mobile-optimized text ads
  • Decrease the number of mobile-optimized text ads

The correct answer is:

Increase the mobile bid adjustment for the campaign

Explanation: Use mobile bid adjustments to show your ad more or less frequently for searches that occur on mobile devices.

Read more here: https://support.google.com/adwords/answer/2732132?hl=en