S Sandeep 🎓 Tutor III ⭐ 6.47K Points 📊 Reasoning Q. Complete the series: 6, 18, 3, 21, 7, 56, ? (A) 8 (B) 9 (C) 63 (D) 64 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) 8 You must be Logged in to update hint/solution 💬 Discussion 💬 Comment