A Ankit Singh 🎓 Tutor ⭐ 8.03K Points 📊 Computer Q. Abacus can perform (A) addition (B) subtraction (C) multiplication (D) Both '1' and '2' 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Both '1' and '2' You must be Logged in to update hint/solution 💬 Discussion 💬 Comment