Which one of the following promotion tool has mass reach?

The correct answer is option 1- Advertising.

Advertising promotion tool has mass reach.
Advertising is a medium through which a large number of people can be reached over a vast geographical area. For example, an advertisement message placed in a national daily reaches lakhs of its subscribers.

Advertising is the most commonly used tool of promotion. It is an impersonal form of communication, which is paid for by the marketers (Sponsors) to promote some goods or service. The merits of advertising, as a medium of communication, include i. Mass reach ; ii. Enhancing customer satisfaction and confidence iii. Expressiveness; and iv. Economy.