M/s is used in inside address as a title to CompanyFirmsGovernment departmentBanksAi, iiBAllCii onlyDi, ivAnswer: A. i, ii Read Explanation: M/s is used in inside address as a title to Company and FirmsAddressing terms usedMale - Mr, SriUnmarried female - MissMarried female - MrsMarried/unmarried women -MsCompany with personal name -M/s or Messrs Read more in App