Which of these numbers is fully divisible by both 7 and 9? KBC 2023, Check the correct answer to the question - Which of these numbers is fully divisible by both 7 and 9? By Mukesh Sharma - August 16, 2023 KBC 2023, Amitabh Bachchan. (Representative Image) KBC 2023, The options for the question – Which of these numbers is fully divisible by both 7 and 9? 63 27 14 50 The correct answer is 63. The number, 63, is fully divisible by both 7 and 9.