# BoardPrep

> Free CBSE Class 10 and 12 board exam preparation: previous year board question papers 2022–2026 with official marking schemes, 2026-27 sample papers, chapter-wise weightage calculated from real board papers, most repeated questions, a free mock paper generator and practice app.

BoardPrep (https://boardprep.in) is an independent free study tool by Dhi & Kin. It is not affiliated with CBSE. Data: 192 CBSE board papers (two sets per subject per year, 2022–2026) and 7,694 questions. The 2026-27 CBSE paper pattern is unchanged from 2025-26 (CBSE notification of 21 September 2026).

## Key pages
- [Chapter-wise weightage for all subjects](https://boardprep.in/cbse-chapter-wise-weightage/): average marks per board paper for each chapter, 2023–2026
- [CBSE Sample Papers 2026-27](https://boardprep.in/cbse-sample-paper-2026-27/): Class 10 and 12 with marking schemes
- [Class 10 previous year papers](https://boardprep.in/cbse-class-10-previous-year-question-papers/)
- [Class 12 previous year papers](https://boardprep.in/cbse-class-12-previous-year-question-papers/)
- [About and methodology](https://boardprep.in/about/): sources and how weightage is calculated

## Subjects
- [Class 10 Computer Applications](https://boardprep.in/cbse-class-10-computer-applications-previous-year-question-papers/): 5 board papers; top chapters: HTML (29.5 marks/paper), Networking (13.5 marks/paper), Cyber Ethics (4.8 marks/paper)
- [Class 10 English](https://boardprep.in/cbse-class-10-english-previous-year-question-papers/): 10 board papers; top chapters: Literature (18.6 marks/paper), Grammar (13.4 marks/paper), Writing Skills (4.9 marks/paper)
- [Class 10 Hindi A](https://boardprep.in/cbse-class-10-hindi-a-previous-year-question-papers/): 7 board papers; top chapters: Writing Skills (10.0 marks/paper), Grammar (8.3 marks/paper)
- [Class 10 Hindi B](https://boardprep.in/cbse-class-10-hindi-b-previous-year-question-papers/): 6 board papers; top chapters: Writing Skills (7.0 marks/paper), Grammar (4.5 marks/paper)
- [Class 10 Maths](https://boardprep.in/cbse-class-10-mathematics-previous-year-question-papers/): 10 board papers; top chapters: Trigonometry (16.5 marks/paper), Circles (8.1 marks/paper), Statistics (7.5 marks/paper)
- [Class 10 Maths Basic](https://boardprep.in/cbse-class-10-mathematics-basic-previous-year-question-papers/): 8 board papers; top chapters: Trigonometry (14.7 marks/paper), Circles (8.7 marks/paper), Statistics (8.0 marks/paper)
- [Class 10 Science](https://boardprep.in/cbse-class-10-science-previous-year-question-papers/): 10 board papers; top chapters: Light – Reflection & Refraction (11.2 marks/paper), Electricity (9.0 marks/paper), Carbon & its Compounds (7.2 marks/paper)
- [Class 10 Social Science (SST)](https://boardprep.in/cbse-class-10-social-science-previous-year-question-papers/): 10 board papers; top chapters: Geography: Lifelines of Economy (7.2 marks/paper), History: Nationalism in India (6.9 marks/paper), Political Science: Outcomes of Democracy (6.5 marks/paper)
- [Class 12 Accountancy](https://boardprep.in/cbse-class-12-accountancy-previous-year-question-papers/): 10 board papers; top chapters: Share Capital (16.5 marks/paper), Debentures (7.5 marks/paper), Dissolution of Firm (7.4 marks/paper)
- [Class 12 Biology](https://boardprep.in/cbse-class-12-biology-previous-year-question-papers/): 10 board papers; top chapters: Molecular Basis of Inheritance (11.2 marks/paper), Reproductive Health (10.6 marks/paper), Human Health & Disease (8.2 marks/paper)
- [Class 12 Business Studies (BST)](https://boardprep.in/cbse-class-12-business-studies-previous-year-question-papers/): 10 board papers; top chapters: Marketing (19.9 marks/paper), Planning (13.8 marks/paper), Staffing (7.0 marks/paper)
- [Class 12 Chemistry](https://boardprep.in/cbse-class-12-chemistry-previous-year-question-papers/): 10 board papers; top chapters: Coordination Compounds (9.1 marks/paper), Aldehydes, Ketones & Carboxylic Acids (8.0 marks/paper), Electrochemistry (7.1 marks/paper)
- [Class 12 Computer Science (CS)](https://boardprep.in/cbse-class-12-computer-science-previous-year-question-papers/): 5 board papers; top chapters: Python Revision & Functions (24.5 marks/paper), Database & SQL (21.5 marks/paper), Computer Networks (8.8 marks/paper)
- [Class 12 Economics](https://boardprep.in/cbse-class-12-economics-previous-year-question-papers/): 10 board papers; top chapters: Indian Economy: Human Capital & Rural Development (11.5 marks/paper), Macro: Money & Banking (11.1 marks/paper), Macro: National Income (7.8 marks/paper)
- [Class 12 English Core](https://boardprep.in/cbse-class-12-english-core-previous-year-question-papers/): 9 board papers; top chapters: Literature (19.0 marks/paper), Writing Skills (10.5 marks/paper), Grammar (2.0 marks/paper)
- [Class 12 Geography](https://boardprep.in/cbse-class-12-geography-previous-year-question-papers/): 10 board papers; top chapters: Transport & Communication (15.4 marks/paper), International Trade (14.1 marks/paper), Population (11.5 marks/paper)
- [Class 12 Hindi Core](https://boardprep.in/cbse-class-12-hindi-core-previous-year-question-papers/): 6 board papers; top chapters: Writing Skills (18.8 marks/paper), Literature (1.5 marks/paper), Grammar (1.0 marks/paper)
- [Class 12 Hindi Elective](https://boardprep.in/cbse-class-12-hindi-elective-previous-year-question-papers/): 6 board papers; top chapters: Grammar (7.3 marks/paper), Writing Skills (4.3 marks/paper), Literature (4.0 marks/paper)
- [Class 12 History](https://boardprep.in/cbse-class-12-history-previous-year-question-papers/): 10 board papers; top chapters: Bricks, Beads & Bones (Harappa) (6.9 marks/paper), Kings, Farmers & Towns (6.9 marks/paper), An Imperial Capital: Vijayanagara (6.8 marks/paper)
- [Class 12 Informatics Practices (IP)](https://boardprep.in/cbse-class-12-informatics-practices-previous-year-question-papers/): 5 board papers; top chapters: Database Query using SQL (23.8 marks/paper), Pandas: Series & DataFrame (20.5 marks/paper), Computer Networks (11.2 marks/paper)
- [Class 12 Maths](https://boardprep.in/cbse-class-12-mathematics-previous-year-question-papers/): 10 board papers; top chapters: Integrals (16.6 marks/paper), Relations & Functions (7.5 marks/paper), Probability (6.8 marks/paper)
- [Class 12 Physics](https://boardprep.in/cbse-class-12-physics-previous-year-question-papers/): 10 board papers; top chapters: Moving Charges & Magnetism (7.9 marks/paper), Electric Charges & Fields (7.5 marks/paper), Semiconductor Electronics (7.5 marks/paper)
- [Class 12 Psychology](https://boardprep.in/cbse-class-12-psychology-previous-year-question-papers/): 5 board papers; top chapters: Psychological Disorders (14.2 marks/paper), Self & Personality (13.0 marks/paper), Meeting Life Challenges (12.0 marks/paper)

## Board papers by year
- [2026 board papers](https://boardprep.in/cbse-board-question-papers-2026/)
- [2025 board papers](https://boardprep.in/cbse-board-question-papers-2025/)
- [2024 board papers](https://boardprep.in/cbse-board-question-papers-2024/)
- [2023 board papers](https://boardprep.in/cbse-board-question-papers-2023/)
- [2022 board papers](https://boardprep.in/cbse-board-question-papers-2022/)

## Board exam FAQ (questions and answers)
- [CBSE board exam FAQ hub](https://boardprep.in/cbse-board-exam-faq/)
- [Free app & no hidden charges](https://boardprep.in/cbse-board-exam-faq/free-app/): BoardPrep is a free CBSE Class 10 and 12 board exam app with no hidden charges, no ads and no paid plan. Here are straight answers about cost, signup, privacy and installing it.
- [Exam pattern & marking](https://boardprep.in/cbse-board-exam-faq/exam-pattern/): How CBSE Class 10 and 12 board papers are structured for 2026-27: sections, marks, passing marks, internal assessment, practicals and question types.
- [How to prepare](https://boardprep.in/cbse-board-exam-faq/preparation/): Practical answers on preparing for CBSE Class 10 and 12 boards: where to start, NCERT, previous year papers, timetables, time management and stress.
- [Previous year & sample papers](https://boardprep.in/cbse-board-exam-faq/papers/): Where to get CBSE previous year question papers, marking schemes and 2026-27 sample papers for free, and how to use them.
- [Class 10](https://boardprep.in/cbse-board-exam-faq/class-10/): Answers for CBSE Class 10 students: subjects, Maths Standard vs Basic, the most important chapters by marks and where to practise free.
- [Class 12](https://boardprep.in/cbse-board-exam-faq/class-12/): Answers for CBSE Class 12 students: important chapters by marks for each subject, boards vs JEE, NEET and CUET, practicals and free papers.
- [Chapter weightage & repeated questions](https://boardprep.in/cbse-board-exam-faq/chapter-weightage/): Which chapters carry the most marks in each CBSE Class 10 and 12 subject, and where to find the most repeated board questions, calculated from 2022–2026 board papers.
- [Exam day, results & re-evaluation](https://boardprep.in/cbse-board-exam-faq/exam-day-results/): What to carry on CBSE exam day, timings, what is not allowed, when results come out, DigiLocker marksheets, supplementary exams and re-evaluation.

## Blog (guides and study plans)
- [All articles](https://boardprep.in/blog/)
- [Best Free App for CBSE Class 10 Preparation in 2027 (No Hidden Charges)](https://boardprep.in/blog/best-free-app-for-cbse-class-10-preparation/)
- [Best Free App for CBSE Class 12 Board Preparation (PCM, PCB, Commerce, Humanities)](https://boardprep.in/blog/best-free-app-for-cbse-class-12-preparation/)
- [Free CBSE Learning Apps: How to Tell if an App Is Really Free](https://boardprep.in/blog/free-cbse-learning-apps-no-hidden-charges/)
- [Free CBSE Previous Year Question Papers With Solutions (2022–2026): Where and How to Use Them](https://boardprep.in/blog/free-cbse-previous-year-papers-with-solutions/)
- [Preparing for CBSE Boards Without Paid Coaching: A Free Plan That Works](https://boardprep.in/blog/free-alternatives-to-paid-cbse-coaching/)
- [Is BoardPrep Really Free? No Hidden Charges, No Ads: Here's How](https://boardprep.in/blog/how-boardprep-stays-free/)
- [How to Install BoardPrep on Your Phone (Android & iPhone), No Play Store Needed](https://boardprep.in/blog/how-to-install-boardprep-on-phone/)
- [BoardPrep Features Guide: Everything You Can Do for Free](https://boardprep.in/blog/boardprep-features-guide/)
- [How Teachers Can Create CBSE Board-Pattern Test Papers for Free](https://boardprep.in/blog/how-teachers-can-make-cbse-test-papers-free/)
- [The BoardPrep Pattern Challenge: Practise the 2026-27 Board Pattern and Compete](https://boardprep.in/blog/boardprep-pattern-challenge-explained/)
- [How to Prepare for CBSE Class 10 Boards 2027: The Complete Guide](https://boardprep.in/blog/how-to-prepare-for-cbse-class-10-boards-2027/)
- [How to Prepare for CBSE Class 12 Boards 2027 (Science, Commerce & Humanities)](https://boardprep.in/blog/how-to-prepare-for-cbse-class-12-boards-2027/)
- [CBSE Class 10 Study Plan 2026-27: Month-by-Month Until the Boards](https://boardprep.in/blog/cbse-class-10-study-plan-2026-27-month-by-month/)
- [CBSE Class 12 Study Plan 2026-27: Month-by-Month to the Boards](https://boardprep.in/blog/cbse-class-12-study-plan-2026-27-month-by-month/)
- [Last 30 Days Plan for CBSE Class 10 Boards (Day-by-Day Strategy)](https://boardprep.in/blog/last-30-days-plan-cbse-class-10/)
- [Last 30 Days Plan for CBSE Class 12 Boards (Science, Commerce, Humanities)](https://boardprep.in/blog/last-30-days-plan-cbse-class-12/)
- [90-Day Revision Plan for CBSE Boards (Class 10 & 12)](https://boardprep.in/blog/90-day-board-exam-revision-plan/)
- [How Many Hours Should You Study for Board Exams? (Class 10 & 12)](https://boardprep.in/blog/how-many-hours-to-study-for-board-exams/)
- [How to Make a Board Exam Study Timetable That You'll Actually Follow](https://boardprep.in/blog/board-exam-timetable-for-self-study/)
- [How to Revise a Whole Subject in 7 Days Before the Board Exam](https://boardprep.in/blog/how-to-revise-a-subject-in-7-days/)
- [How to Make Notes for Board Exams That Actually Help You Revise](https://boardprep.in/blog/how-to-make-notes-for-board-exams/)
- [Active Recall and Spaced Repetition for Board Exams, Explained Simply](https://boardprep.in/blog/active-recall-spaced-repetition-for-boards/)
- [How Many Mock Tests Before Boards, and How to Analyse Them](https://boardprep.in/blog/how-to-analyse-mock-tests/)
- [Low Marks in Pre-Boards? What to Do Next](https://boardprep.in/blog/how-to-use-pre-board-results/)
- [How to Study on Your Phone Without Getting Distracted](https://boardprep.in/blog/how-to-study-on-phone-without-distraction/)
- [12 Common Mistakes That Cost Marks in CBSE Board Exams](https://boardprep.in/blog/common-mistakes-in-cbse-board-exams/)
- [How to Improve Writing Speed and Handwriting for Board Exams](https://boardprep.in/blog/how-to-improve-writing-speed-for-board-exams/)
- [10 Study Habits CBSE Toppers Share (and How to Copy Them)](https://boardprep.in/blog/habits-of-cbse-toppers/)
- [CBSE Passing Marks Explained: Out of 80, 70 and 100 (Class 10 & 12)](https://boardprep.in/blog/cbse-passing-marks-class-10-and-12/)
- [CBSE Two Board Exams for Class 10 Explained](https://boardprep.in/blog/cbse-two-board-exams-class-10-explained/)
- [CBSE Board Exam 2027 Date Sheet: What to Expect and How to Plan](https://boardprep.in/blog/cbse-board-exam-2027-date-sheet-what-to-expect/)
- [CBSE Sample Paper 2026-27 Analysis: What It Tells You About the Boards](https://boardprep.in/blog/cbse-sample-paper-2026-27-analysis/)
- [How the CBSE Marking Scheme Works: Step Marks, Key Terms and Value Points](https://boardprep.in/blog/how-cbse-marking-scheme-works/)
- [How to Write Answers in CBSE Board Exams for Full Marks (Presentation Guide)](https://boardprep.in/blog/how-to-write-answers-in-cbse-board-exam/)
- [How to Solve Case-Based Questions in CBSE Class 10 and 12](https://boardprep.in/blog/cbse-case-based-questions-guide/)
- [Assertion-Reason Questions: How to Solve Them Correctly Every Time](https://boardprep.in/blog/assertion-reason-questions-how-to-solve/)
- [What Are Competency-Based Questions in CBSE? (With How to Prepare)](https://boardprep.in/blog/competency-based-questions-cbse/)
- [CBSE Class 10 Internal Assessment: How to Score the Full 20 Marks](https://boardprep.in/blog/cbse-internal-assessment-how-to-score-full-marks/)
- [Maths Standard vs Maths Basic in Class 10: Which Should You Choose?](https://boardprep.in/blog/maths-standard-vs-basic-which-to-choose/)
- [How to Use the 15-Minute Reading Time in CBSE Board Exams](https://boardprep.in/blog/how-to-use-15-minute-reading-time/)
- [Time Management in a 3-Hour CBSE Board Paper (Section-Wise Plan)](https://boardprep.in/blog/time-management-in-3-hour-board-paper/)
- [How to Balance CBSE Class 12 Boards and JEE Preparation](https://boardprep.in/blog/how-to-balance-cbse-boards-and-jee/)
- [How to Balance CBSE Class 12 Boards and NEET Preparation](https://boardprep.in/blog/how-to-balance-cbse-boards-and-neet/)
- [How to Prepare for CBSE Boards and CUET Together](https://boardprep.in/blog/cbse-boards-and-cuet-preparation/)
- [JEE 75% Criteria Explained for CBSE Class 12 Students](https://boardprep.in/blog/jee-75-percent-criteria-explained/)
- [Class 12 Board Percentage Needed for NEET (and Why Boards Still Matter)](https://boardprep.in/blog/class-12-board-percentage-for-neet/)
- [Which Stream After Class 10? Science, Commerce or Humanities](https://boardprep.in/blog/which-stream-after-class-10/)
- [CBSE Class 12 Practical Exam and Viva Tips for Full Marks](https://boardprep.in/blog/cbse-class-12-practical-exam-and-viva-tips/)
- [How to Score 90%+ in CBSE Class 12 PCM (Physics, Chemistry, Maths)](https://boardprep.in/blog/how-to-score-90-in-class-12-pcm/)
- [How to Score 90%+ in CBSE Class 12 PCB (Physics, Chemistry, Biology)](https://boardprep.in/blog/how-to-score-90-in-class-12-pcb/)
- [How to Score 90%+ in CBSE Class 12 Commerce (Accountancy, BST, Economics)](https://boardprep.in/blog/how-to-score-90-in-class-12-commerce/)
- [How to Score 90%+ in CBSE Class 12 Humanities (History, Geography, Psychology)](https://boardprep.in/blog/how-to-score-90-in-class-12-humanities/)
- [CBSE Board Exam Day Checklist: What to Carry and What's Not Allowed](https://boardprep.in/blog/cbse-exam-day-checklist/)
- [How to Deal With Board Exam Stress (Practical Tips for Students and Parents)](https://boardprep.in/blog/how-to-deal-with-board-exam-stress/)
- [Sleep and Diet During Board Exams, What Actually Helps](https://boardprep.in/blog/sleep-and-diet-during-board-exams/)
- [How to Check CBSE Board Results: Websites, DigiLocker and UMANG](https://boardprep.in/blog/how-to-check-cbse-result/)
- [How to Download Your CBSE Marksheet From DigiLocker](https://boardprep.in/blog/cbse-marksheet-digilocker-guide/)
- [CBSE Re-evaluation Process: Photocopy, Verification and Re-evaluation](https://boardprep.in/blog/cbse-re-evaluation-process/)
- [CBSE Supplementary Exam Guide: Who Can Appear and How to Prepare](https://boardprep.in/blog/cbse-supplementary-exam-guide/)
- [What to Do After Your CBSE Board Exams (Class 10 and Class 12)](https://boardprep.in/blog/what-to-do-after-board-exams/)
- [How to Score 95+ in CBSE Class 10 Maths (Standard), a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-10-mathematics/)
- [How to Score 90+ in CBSE Class 10 Maths Basic](https://boardprep.in/blog/how-to-score-90-cbse-class-10-mathematics-basic/)
- [How to Score 95+ in CBSE Class 10 Science, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-10-science/)
- [How to Score 95+ in CBSE Class 10 Social Science (SST)](https://boardprep.in/blog/how-to-score-90-cbse-class-10-social-science/)
- [How to Score Full Marks in CBSE Class 10 Computer Applications](https://boardprep.in/blog/how-to-score-90-cbse-class-10-computer-applications/)
- [How to Score 95+ in CBSE Class 12 Maths, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-mathematics/)
- [How to Score 90+ in CBSE Class 12 Physics, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-physics/)
- [How to Score 90+ in CBSE Class 12 Chemistry, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-chemistry/)
- [How to Score 95+ in CBSE Class 12 Biology, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-biology/)
- [How to Score 95+ in CBSE Class 12 Accountancy, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-accountancy/)
- [How to Score 95+ in CBSE Class 12 Business Studies (BST)](https://boardprep.in/blog/how-to-score-90-cbse-class-12-business-studies/)
- [How to Score 95+ in CBSE Class 12 Economics, a Board-Paper Strategy](https://boardprep.in/blog/how-to-score-90-cbse-class-12-economics/)
- [How to Score 90+ in CBSE Class 12 History](https://boardprep.in/blog/how-to-score-90-cbse-class-12-history/)
- [How to Score 90+ in CBSE Class 12 Geography](https://boardprep.in/blog/how-to-score-90-cbse-class-12-geography/)
- [How to Score 90+ in CBSE Class 12 Computer Science (Python & SQL)](https://boardprep.in/blog/how-to-score-90-cbse-class-12-computer-science/)
- [How to Score 90+ in CBSE Class 12 Informatics Practices (Pandas & SQL)](https://boardprep.in/blog/how-to-score-90-cbse-class-12-informatics-practices/)
- [How to Score 90+ in CBSE Class 12 Psychology](https://boardprep.in/blog/how-to-score-90-cbse-class-12-psychology/)
- [Class 12 Physics Important Derivations for CBSE Boards 2027 (Chapter-wise List)](https://boardprep.in/blog/class-12-physics-important-derivations/)
- [Class 12 Chemistry Named Reactions List for CBSE Boards (With What Each Does)](https://boardprep.in/blog/class-12-chemistry-named-reactions-list/)
- [Class 10 Science Important Diagrams for CBSE Boards (Chapter-wise)](https://boardprep.in/blog/class-10-science-important-diagrams/)
- [Class 12 Biology Important Diagrams for CBSE Boards (Chapter-wise)](https://boardprep.in/blog/class-12-biology-important-diagrams/)
- [Class 10 English Writing Skills: Formal Letter and Analytical Paragraph Guide](https://boardprep.in/blog/class-10-english-writing-skills-guide/)
- [Class 10 Hindi Writing Section Tips (Hindi A and Hindi B)](https://boardprep.in/blog/hindi-writing-section-tips-class-10/)
- [CBSE Class 10 Computer Applications Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-10-computer-applications-2027/)
- [CBSE Class 10 Maths Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-10-mathematics-2027/)
- [CBSE Class 10 Maths Basic Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-10-mathematics-basic-2027/)
- [CBSE Class 10 Science Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-10-science-2027/)
- [CBSE Class 10 Social Science (SST) Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-10-social-science-2027/)
- [CBSE Class 12 Accountancy Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-accountancy-2027/)
- [CBSE Class 12 Biology Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-biology-2027/)
- [CBSE Class 12 Business Studies (BST) Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-business-studies-2027/)
- [CBSE Class 12 Chemistry Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-chemistry-2027/)
- [CBSE Class 12 Computer Science (CS) Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-computer-science-2027/)
- [CBSE Class 12 Economics Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-economics-2027/)
- [CBSE Class 12 Geography Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-geography-2027/)
- [CBSE Class 12 History Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-history-2027/)
- [CBSE Class 12 Informatics Practices (IP) Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-informatics-practices-2027/)
- [CBSE Class 12 Maths Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-mathematics-2027/)
- [CBSE Class 12 Physics Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-physics-2027/)
- [CBSE Class 12 Psychology Important Chapters 2027 (From Board Papers)](https://boardprep.in/blog/important-chapters-cbse-class-12-psychology-2027/)

## Free app
- [https://boardprep.in/app/](https://boardprep.in/app/): 100% free, no ads, no paid plan and no hidden charges. Question-wise practice with answers, board-pattern paper generator with PDF and answer key, Pattern Challenge leaderboard, study tracker