Question

what is formal and informal letter?

Answer 1

Formal letters include business letter, application for jobs, letter to editors, letter to principal /officers and letter of complaint to authorities.
Informal letter are written to friends, relatives and acquaintances. These includes private and personal matters such as invitations, congratulations, condolence etc

Answer 2

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Formal letter-:are letters written to peoples who donot know a personal level.

Eg.we may write to find out information ,to apply job,to make a complaint,etc.

Informal letter-:An informal letter is a letter you would write to a friend,a family member or an acquaintance.The classic informal letter has five part as follow-:

Address block: Includes your return address and date of writing letter.