Class 10 Maths क्षेत्रमिति, प्रश्नावली 1, प्रश्न 20-30, Mensuration,bharti Bhavan, Bihar Board

कक्षा 10 Ganit गणित adhyaya 1 question 20,21,22,23, 24, 25, 26, 27, 28, 29, 30 भारती भवन बिहार बोर्ड exam 2026 Shiv Sir Sincere Public School