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Let us discuss CBSE Sample Paper 2017-18 of Mathematics Class 12
There are 4 sections
| Section | How many marks? | Number of Questions | Total Marks |
| Section A | 1 marks each | 4 | 1 × 4 = 4 |
| Section B | 2 marks each | 8 | 2 × 8 = 16 |
| Section C | 4 marks each | 11 | 4 × 11 = 44 |
| Section D | 6 marks each | 6 | 6 × 6 = 36 |
| Total | 100 |
Marks per Chapter
According to CBSE Syllabus, the marks per unit is like this
| Unit | Topic | Chapters of NCERT | Marks |
| I. | Relations and Functions | Chapter 1, 2 | 10 |
| II. | Algebra | Chapter 3, 4 | 13 |
| III. | Calculus | Chapter 5, 6, 7, 8, 9 | 44 |
| IV. | Vectors and 3-D Geometry | Chapter 10, 11 | 17 |
| V. | Linear Programming | Chapter 12 | 6 |
| VI. | Probability | Chapter 13 | 10 |
| Total | 100 |
In this sample paper, lets see how many questions of which chapter are asked
| Chapter | 1 Mark Questions | 2 Mark Questions | 4 Mark Questions | 6 Mark Questions | Total Marks |
| Chapter 1 | 2 | 1 | 8 | ||
| Chapter 2 | 2 | 4 | |||
| Chapter 3 | 1 | 6 | |||
| Chapter 4 | 1 | 1 | 1 | 7 | |
| Chapter 5 | 1 | 4 | |||
| Chapter 6 | 1 | 2 | 10 | ||
| Chapter 7 | 1 | 1 | 1 | 12 | |
| Chapter 8 | 1 | 6 | |||
| Chapter 9 | 1 | 2 | 10 | ||
| Chapter 10 | 1 | 1 | 1 | 7 | |
| Chapter 11 | 1 | 1 | 10 | ||
| Chapter 12 | 1 | 6 | |||
| Chapter 13 | 1 | 2 | 10 | ||
| Total | 100 |
Points to be noted about marking
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1 Question of 6 marks will come of Linear Programming (Chapter 12)
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In linear programming question, correct graph is of 2 marks
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1 Question of 6 marks will come of Chapter 8 Areas
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In Area question, correct figure has 1 marks
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1 Question of 6 or 4 marks will come of Limit as a sum or Definite Integral
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1 Question of 6 or 4 marks will come for finding Inverse of Matrix (by Properties of Matrix or Determinant)
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1 mark question has no step marking. If answer is wrong, 1 mark is cut.
- Chapter 13 Probability Random Variable question will come - 4 marks or 6 marks
