V Vikash Gupta 🎓 Tutor III ⭐ 33.56K Points 📊 C++ Q. Which keyword is used to define a class that cannot be instantiated? (A) abstract (B) virtual (C) private (D) protected 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) virtual Explanation: A class with a pure virtual function is considered an abstract class and cannot be instantiated.