Questions

Man's Father is Madhu's Father's Son => Madhu itself. So the Man in the photograph is Madhu's son. 

The main purpose in measuring the effectiveness of any advertising campaigns is to evaluate its effect on the sales and also brand recall factor. The mathematical equation for measuring the effectiveness of an advertising campaign is:

Advertising campaign effectiveness = Revenue + Return on investment (ROI)

There are various ways to measure the effectiveness of advertising campaigns:

         - Conducting a survey after the campaign ends

         - Proportionate increase in the sales of that particular product/service

         - More customers calling to a toll-free and prescribed lines

         - Redemption of coupons and vouchers

         - Increased footfalls in the store to purchase product/service

         - Increased click on the company’s website  

An advertisement campaign must comprise of the following:

      - A solid marketing plan

      - Advertising budget

      - Media buying and planning

      - Choosing the right target audience

      - Selection of relevant advertising medium

      - Consistency in campaign theme 

      - Frequency