P Prabhas Kapoor 🎓 Master ⭐ 1.64K Points 📊 C Programming Q. Which is an invalid name of identifier? (A) world (B) addition23 (C) test-name (D) factorial 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) test-name