R Rati Dubey 🎓 Tutor III ⭐ 8.55K Points 📊 Ruby Q. How do you define a constant in Ruby? (A) Starting with uppercase letter (B) Starting with lowercase letter (C) Starting with underscore (D) Starting with $ sign 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) Starting with uppercase letter Explanation: Constants begin with an uppercase letter in Ruby.