MCQ Practice Mathematics 📖 How many different six-digit numbers can be formed using all of the following digits : 3,3,4,4,4,5? A 25 B 40 C 50 D 60 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 BB Recruitment Test - [Mathematics] Model Test -1Question 2 BB Recruitment Test - [Mathematics] Model Test -1Question 2 BB Assistant Director Recruitment Test Question Bank - 2012 [Mathematics] Question 12