MCQ Practice Mathematics 📖 The average of Selim’s marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he ... 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 a, b, c is 6 and a - b = 4, ab = 21, what is the value of c? NextThe average of three numbers is 7. If 2 of the numbers are zero, then what if the 3rd number?
