MCQ Practice Mathematics 📖 The average of 3 numbers is 7. If 2 of the numbers are zero, then what is the 3rd number? A 15 B 17 C 19 D 21 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 PreviousThe average of 15 consecutive integers is 15. What is the smallest of the 15 integers? NextThe average of five numbers is 27. If one number is excluded, the average becomes 24. The excluded numbers is:
