CBSE Class 10 Mathematics (Basic) — Guess Paper & Important Questions 2027
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Everything for Mathematics (Basic) in one place — guess paper, important questions and chapter-wise important topics for the 2027 exam, from analysis of 5 board + 2 official sample papers (2022–2026).
Guess Paper 2027
A full 38-question paper on the official pattern, built from the most-likely questions.
Open guess paper PDFImportant Questions
75 question patterns that have repeated across past papers.
See repeated questions PDFImportant Topics
Every chapter’s topics ranked by how often and how recently they were asked.
See important topicsTop 5 topics
| # | Topic | Chapter | Importance |
|---|---|---|---|
| 1 | Classical probability - numbered tickets/balls/miscellaneous | Probability | ★★★★★ |
| 2 | Distance formula | Coordinate Geometry | ★★★★☆ |
| 3 | Angle/length problems using tangent properties | Circles | ★★★★☆ |
| 4 | Similarity criteria (AA, SSS, SAS) based problems | Triangles | ★★★★☆ |
| 5 | Trigonometric identities (sin2 + cos2 = 1 family) and proving identities | Introduction to Trigonometry | ★★★☆☆ |
CBSE Class 10 Mathematics (Basic) exam pattern 2027
Key facts
- Maximum marks: 80
- Duration: 3 hours
- Sections: 5 (A, B, C, D, E)
- Exam: 2027 CBSE Class 10 board exam
| Section | What is asked | Marks |
|---|---|---|
| A | 20 questions of 1 mark each (18 MCQ + 2 Assertion-Reason) | 20 |
| B | 5 Very Short Answer questions of 2 marks each | 10 |
| C | 6 Short Answer questions of 3 marks each | 18 |
| D | 4 Long Answer questions of 5 marks each | 20 |
| E | 3 Case-study based questions of 4 marks each (sub-parts: two 1-mark + one 2-mark; the 2-mark sub-part carries the internal choice) | 12 |
CBSE Class 10 Mathematics (Basic) chapter-wise weightage 2027
| Unit | Chapters | Marks |
|---|---|---|
| Number Systems | Real Numbers | 6 |
| Algebra | Polynomials, Pair of Linear Equations in Two Variables, Quadratic Equations, Arithmetic Progressions | 20 |
| Coordinate Geometry | Coordinate Geometry | 6 |
| Geometry | Triangles, Circles | 15 |
| Trigonometry | Introduction to Trigonometry, Some Applications of Trigonometry | 12 |
| Mensuration | Areas Related to Circles, Surface Areas and Volumes | 10 |
| Statistics & Probability | Statistics, Probability | 11 |
Unit marks as given in the official syllabus.
Frequently asked questions
Is this the real CBSE Class 10 Mathematics (Basic) guess paper 2027?
No. It is a practice guess paper built by analysing which questions and topics repeat across 5 board + 2 official sample papers (2022–2026) for CBSE Class 10 Mathematics (Basic). It follows the latest official exam pattern but is not an official or leaked paper.
What is the CBSE Class 10 Mathematics (Basic) exam pattern for 2027?
The CBSE Class 10 Mathematics (Basic) 2027 paper is 80 marks and 3 hours long, in 5 sections: Section A — 20 questions of 1 mark each (18 MCQ + 2 Assertion-Reason); Section B — 5 Very Short Answer questions of 2 marks each; Section C — 6 Short Answer questions of 3 marks each; Section D — 4 Long Answer questions of 5 marks each; Section E — 3 Case-study based questions of 4 marks each (sub-parts: two 1-mark + one 2-mark; the 2-mark sub-part carries the internal choice). Highest-weightage units: Algebra (20 marks), Geometry (15 marks), Trigonometry (12 marks).
How many questions repeat in CBSE Class 10 Mathematics (Basic)?
We found 75 question patterns that appeared in two or more of the analysed papers (5 board + 2 official sample papers). The most-repeated ones are listed on the Important Questions page.
What are the most important topics for CBSE Class 10 Mathematics (Basic) 2027?
The top topics by repetition are Classical probability - numbered tickets/balls/miscellaneous; Distance formula; Angle/length problems using tangent properties. The full ranked list is on the Important Topics page.
Where can I see the CBSE Class 10 Mathematics (Basic) guess paper?
The full 38-question guess paper is on the Guess Paper page — free to view, with each question tagged by chapter and how often it has appeared in past papers.