MCQ Practice Mathematics 📖 Which number replaces the question mark? Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in Assistant Director Question Bank 2015 Question 46 Assistant Director Question Bank 2015 Question 46 Assistant Director Question Bank 2015 Question 46 Previous What is the maximum number of 3×3 squares that can be formed from the squares in the 6×6 checker board to the right? NextWhich of these numbers are least like the others : 3, 5, 11, 14, 17, 21