Questions › Category: Civil Engineering › According to IS:456, the number of grades of concrete mixes is 0 Vote Up Vote Down VideRime Staff asked 4 years ago According to IS:456, the number of grades of concrete mixes is a) 3 b) 4 c) 5 d) 7 (Ans) Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram More Related