R Rakesh Kumar 🎓 Hard Worker ⭐ 28.44K Points 📊 C++ Q. Which keyword is used to define a constant variable in C++? (A) constant (B) define (C) const (D) static 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) const Explanation: The 'const' keyword is used to define a constant variable in C++.