ISC Class 12 Mathematics — Guess Paper & Important Questions 2027
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Everything for Mathematics in one place — guess paper, important questions and chapter-wise important topics for the 2027 exam, from analysis of 4 board + 5 official sample papers (2023–2027).
Guess Paper 2027
A full 39-question paper on the official pattern, built from the most-likely questions.
Open guess paper PDFImportant Questions
51 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 | homogeneous differential equation | Differential Equations | ★★★★★ |
| 2 | solve system using matrix method | Determinants | ★★★★★ |
| 3 | second order derivatives, prove relation | Continuity, Differentiability and Differentiation | ★★★★☆ |
| 4 | definite integral using property | Integrals | ★★★★☆ |
| 5 | Bayes theorem | Probability | ★★★★☆ |
ISC Class 12 Mathematics exam pattern 2027
Key facts
- Maximum marks: 80
- Duration: 3 hours
- Sections: 4 (A, B, C, D)
- Exam: 2027 ISC Class 12 board exam
| Section | What is asked | Marks |
|---|---|---|
| A | Compulsory. Question 1 is made up of twenty subparts of 1 mark each: seventeen multiple-choice questions (i-xvii, including statement/assertion-reason and graph-based items) and three very-short-answer questions (xviii-xx). No internal choice. | 20 |
| B | Seven short-answer questions of 2 marks each (Q2-Q8), some split into 1-mark sub-parts. Internal choice is provided in three of the questions. | 14 |
| C | Seven moderately-long questions of 3 marks each (Q9-Q15), typically split into sub-parts (derivations, evaluations and reasoning). Internal choice is provided in three of the questions. | 21 |
| D | Five long-answer questions of 5 marks each (Q16-Q20), made up of multi-part application, evaluation and analysis sub-parts. Internal choice is provided in three of the questions. | 25 |
ISC Class 12 Mathematics chapter-wise weightage 2027
| Unit | Chapters | Marks |
|---|---|---|
| Relations and Functions | Relations and Functions, Inverse Trigonometric Functions | 10 |
| Algebra | Matrices, Determinants | 10 |
| Calculus | Continuity, Differentiability and Differentiation, Applications of Derivatives, Integrals, Application of Integrals, Differential Equations | 35 |
| Vector Algebra | Vectors | 5 |
| Three-dimensional Geometry | Three-dimensional Geometry | 6 |
| Linear Programming | Linear Programming | 5 |
| Probability | Probability | 9 |
Unit marks as given in the official syllabus.
Frequently asked questions
Is this the real ISC Class 12 Mathematics guess paper 2027?
No. It is a practice guess paper built by analysing which questions and topics repeat across 4 board + 5 official sample papers (2023–2027) for ISC Class 12 Mathematics. It follows the latest official exam pattern but is not an official or leaked paper.
What is the ISC Class 12 Mathematics exam pattern for 2027?
The ISC Class 12 Mathematics 2027 paper is 80 marks and 3 hours long, in 4 sections: Section A — Compulsory; Section B — Seven short-answer questions of 2 marks each (Q2-Q8), some split into 1-mark sub-parts; Section C — Seven moderately-long questions of 3 marks each (Q9-Q15), typically split into sub-parts (derivations, evaluations and reasoning); Section D — Five long-answer questions of 5 marks each (Q16-Q20), made up of multi-part application, evaluation and analysis sub-parts. Highest-weightage units: Calculus (35 marks), Relations and Functions (10 marks), Algebra (10 marks).
How many questions repeat in ISC Class 12 Mathematics?
We found 51 question patterns that appeared in two or more of the analysed papers (4 board + 5 official sample papers). The most-repeated ones are listed on the Important Questions page.
What are the most important topics for ISC Class 12 Mathematics 2027?
The top topics by repetition are homogeneous differential equation; solve system using matrix method; second order derivatives, prove relation. The full ranked list is on the Important Topics page.
Where can I see the ISC Class 12 Mathematics guess paper?
The full 39-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.