___________ has also become a strong media in the last few years.
Newspaper
Advertising
Telegram
None of these
______________ is the fastest means of communication.
Telephone
Telegraph
Television
We should sent only a brief message through a ____________.
Letter
Fax
_________ are instruments which can be carried anywhere by the subscriber.
Mobile phones
Letters
_____________ are urgent messages sent in lesser time than postal mail.
____________ is expensive as every written word is charged.