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Updated 09 October 2026 · Source: CBSE board papers and marking schemes
Class 12 & entrance exams · BoardPrep blog

How to Score 90%+ in CBSE Class 12 Commerce (Accountancy, BST, Economics)

A strategy for 90%+ in Class 12 Commerce boards, with the highest-weightage chapters from real papers and presentation tips for Accountancy, BST and Economics.

Commerce papers reward accuracy and presentation: correct formats in Accountancy, the right key terms in Business Studies, and diagrams and data in Economics.

Accountancy: where the marks are

ChapterAvg marks per paperShare
Share Capital16.522%
Debentures7.510%
Dissolution of Firm7.410%
Accounting Ratios7.210%
Cash Flow Statement7.110%

Averaged across 8 CBSE Class 12 Accountancy board papers, 2023–2026. All chapters

Practise journal entries and formats until they're automatic. Neat working notes earn marks even when the final figure is wrong. Accountancy guide

Business Studies

ChapterAvg marks per paperShare
Marketing19.925%
Planning13.817%
Staffing7.09%
Directing6.68%

Averaged across 8 CBSE Class 12 Business Studies (BST) board papers, 2023–2026. All chapters

Answer using NCERT headings and terms. For case studies, quote the line from the case that supports your answer. BST guide

Economics

Averaged across 8 CBSE Class 12 Economics board papers, 2023–2026. All chapters

Draw neat, labelled diagrams, show working in numericals, and define terms precisely. Economics guide

Final weeks

Full timed papers, with Accountancy especially needing speed practice.

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