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