____________ is expensive as every written word is charged.
Letter
Telephone
Telegram
None of these
______________ is the fastest means of communication.
Telegraph
Television
_____________ transmit the exact matter of a document, letter or picture from one place to another.
Fax
Printer
Radio was invented by________________.
Marconi
Graham Bell
George
_____________ are urgent messages sent in lesser time than postal mail.
___________ not only sells products but also spreads social awareness.
Newspaper
Advertising
__________ are published in many languages.
Radio