S Sikhar Chaudhary 🎓 Tutor III ⭐ 5.88K Points 📊 Pandas Q. Which method returns the number of non-null elements in each column or row? (A) count() (B) size() (C) len() (D) nunique() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) count() Explanation: The count() method counts the number of non-null observations in each column or row.