J Jitendra Singh 🎓 Tutor III ⭐ 7.50K Points 📊 World History Q. Which of the following was not invented by China? (A) Abacus (B) Zero (C) Seismograph (D) Paper 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Zero You must be Logged in to update hint/solution 💬 Discussion 💬 Comment