Where CBSE students lose marks
What 1613 anonymised answer sheets checked by EvalAssist AI between January 2026 and October 2026 show about the chapters, question types and habits that cost marks, with what examiners look for.
Class 10 English
The lowest-scoring chapter was Writing: students scored 39% of the marks on its questions, against 63% across the whole paper.
75 answer sheetsClass 10 Mathematics
The lowest-scoring chapter was Introduction to Trigonometry: students scored 31% of the marks on its questions, against 43% across the whole paper.
237 answer sheetsClass 10 Science
The lowest-scoring chapter was Light - Reflection and Refraction: students scored 37% of the marks on its questions, against 49% across the whole paper.
551 answer sheetsClass 12 Accountancy
The lowest-scoring chapter was Accounting for Partnership Firms – Fundamentals: students scored 40% of the marks on its questions, against 44% across the whole paper.
77 answer sheetsClass 12 Chemistry
The lowest-scoring chapter was Electrochemistry: students scored 40% of the marks on its questions, against 46% across the whole paper.
130 answer sheetsClass 12 Mathematics
The lowest-scoring chapter was Continuity And Differentiability: students scored 36% of the marks on its questions, against 44% across the whole paper.
95 answer sheetsClass 12 Physics
The lowest-scoring chapter was Nuclei: students scored 36% of the marks on its questions, against 50% across the whole paper.
448 answer sheetsA page appears only when at least 30 answer sheets, pooled from more than one school, are behind every figure on it; no school, teacher or student can be identified. These are practice and school tests checked on EvalAssist AI, not CBSE board results. Updated 2026-10-30.