By educationalforam@gmail.com / June 25, 2025 📘 Question Bank With Solution 2020 – Bihar Board 📐 Mathematics 1st Sitting Paper 2nd Sitting Paper 🧪 Science 1st Sitting Paper 2nd Sitting Paper 🌍 Social Science 1st Sitting Paper 2nd Sitting Paper 📜 Urdu 1st Sitting Paper 2nd Sitting Paper 📝 Non-Hindi 1st Sitting Paper 2nd Sitting Paper Model Paper 2019-26