M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Ruby Q. How do you check if a key exists in a hash in Ruby? (A) key? (B) exists? (C) include? (D) has_key? 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) has_key?