MCQ Practice Math 📖 The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were prese... 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 SBL JBL BKB BDBL Officer Question Bank 2019 Question 53