KBC 2021 | Which one letter usually precedes several proucts made by Apple inc.? KBC 2021, Check the correct answer to the question - Which one letter usually precedes several proucts made by Apple inc.? By Chirag Gaur - September 13, 2021 KBC 2021, The options for the question – Which one letter usually precedes several proucts made by Apple inc.? p i j g The correct answer is i.