M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 Ruby Q. Which method in Ruby is used to check if a key exists in a hash? (A) key? (B) include? (C) exists? (D) has_key? 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) has_key?