4 concepts · Prime Factorisation · HCF & LCM Applications · Proofs of Irrationality · Combination of Irrationals
Complete previous-year question collection for Chapter 1 (2017–2026): 38 questions across Sections A–E including MCQs, A-R, VSA, SA, LA and Case-based items. Note: Euclid's Division Algorithm has been deleted from the rationalised syllabus (2023–24).
This Class 10 Maths chapter page introduces the key ideas in Chapter 1, Real Numbers, and connects the interactive lesson with NCERT exercise practice, notes, previous year questions, worksheets, and tests on SJMaths.
Use the lesson below for concept clarity, then move to the linked practice resources to revise formulas, solve board-style questions, and strengthen weak topics before exams.