M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 Concrete Technology Q. The ordinary concrete is no used for (A) M 10 (B) M 20 (C) M 25 (D) M 40 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) M 40