C Chandrakant 🎓 Tutor III ⭐ 6.73K Points 📊 English Q. What will the opposite of ‘Efficacious’ ? (A) Productive (B) Ineffective (C) Improper (D) Urgent 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Ineffective You must be Logged in to update hint/solution 💬 Discussion 💬 Comment