Questions

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  

TRAP has the highest priority

there are 2 types of interrupts external and internal. NMI has highest priority among all external interrupts, TRAP has highest priority among all internal interrupts. 

Envelope is a letter holder for one letter and in the question it mean that it holds one letter. Eye is also a word which starts and end with E but has one letter in the middle.

The sites in India named include Nanda Devi and Valley of Flowers National Park, Kaziranga National Park, Manas Wildlife Sanctuary, Keoladeo National Park, Western Ghats, Great Himalayan National Park Conservation Area and Khangchendzonga National Park.

without this centripetal force, circular motion is not possible. It acts radially towards the centre and if this force is removed there will be no circular motion but the revolving body will fly off at a tangent.