The Avoidable Marks Problem
Post-exam analysis of CS, CA, and CMA results consistently reveals a pattern: the average student loses 8–15 marks per paper to avoidable exam-day mistakes — not knowledge gaps. These are marks that prepared students leave on the table due to poor time management, wrong question selection, incomplete answers, and presentation errors.
At a pass mark of 40 and a clearing threshold of 40 per paper with 200 aggregate (for CS Executive), losing 10 avoidable marks is the difference between a comfortable pass and a borderline fail. Here are the 10 most common mistakes and their specific fixes.
Mistake 1: Not Reading the Full Paper Before Starting
The error: Students see Question 1 and start writing immediately, spending 40 minutes on a question they could have done in 20 — because they chose it before seeing that Question 5 is the one they know best.
The fix: Spend the first 5–7 minutes reading all questions. Mark each: Easy (attempt first), Medium (attempt second), Hard (attempt last or partially). Always start with your strongest question — it builds momentum and confidence for the rest of the paper.
Mistake 2: Spending Too Long on One Question
The error: Getting absorbed in a 10-mark question and spending 35–40 minutes on it, leaving no time for later questions.
The fix: Set a firm time budget before starting. In a 3-hour paper with 100 marks, aim for 1.5–1.8 minutes per mark. A 10-mark question gets maximum 18 minutes. When time is up, move on — come back if time remains.
Mistake 3: Not Showing Working Notes in Numerical Questions
The error: Computing the answer mentally or on rough paper, writing only the final number. When the final number is wrong, zero marks.
The fix: Always show your working in the answer booklet. ICSI, ICAI, and ICMAI examiners award partial marks for correct methodology even when the final answer is wrong. A 10-mark numerical problem where you made one arithmetic error but showed the complete method earns 6–7 marks, not 0.
Mistake 4: Writing Generic Answers for Scenario Questions
The error: "A company can buy back its shares subject to board and shareholder approval" — when the question gave a specific scenario about ABC Ltd.
The fix: Every scenario question requires you to apply the law to the specific facts. Name the company from the question, reference the specific conditions given, and state the specific conclusion for that situation. Generic answers score 40–50% of available marks; applied answers score 80–90%.
Mistake 5: Skipping Section Numbers in Law Answers
The error: "As per the Companies Act, a board meeting must be held at least 4 times a year with not more than 120 days between consecutive meetings."
The better answer: "As per Section 173 of the Companies Act 2013, every company shall hold a minimum of 4 Board Meetings every year and not more than 120 days shall intervene between two consecutive meetings."
Same content — different presentation. The second version gets full marks; the first loses 1–2 marks per answer from cumulative presentation deductions.
Mistake 6: Poor Handwriting That Forces Examiners to Guess
The error: Rushed, illegible handwriting where numbers, section references, and key terms cannot be clearly read.
The fix: Slow down by 10%. Legible, slower writing produces more marks than fast, illegible writing even when the content is identical. Examiners marking hundreds of papers do not invest extra time deciphering unclear handwriting — unclear answers get conservative marks.
Mistake 7: Not Attempting All Parts of a Question
The error: A 5-part question where parts (a), (b), (c) are attempted but (d) and (e) are left blank due to time pressure.
The fix: For multi-part questions, write something for every part — even a brief answer earns partial marks. A 2-line answer with a correct section citation earns 1–2 marks; a blank earns 0. Prioritise coverage over depth when time is running out.
Mistake 8: Writing the Same Point Multiple Times
The error: Repeating the same point in different words to fill up the answer page, believing more writing means more marks.
The fix: Examiners are trained to identify repetition and it does not earn additional marks. When you have made a point, move to the next point. A tight, precise answer covering 5 distinct points earns far more than a padded answer covering 2 points repeated in 5 different ways.
Mistake 9: Not Checking Attempt Instructions
The error: Attempting 6 questions when the instructions say "attempt 5" — wasting 20–25 minutes on an uncounted question, or attempting wrong sections of the paper.
The fix: Read the question paper instructions carefully before starting. Note: how many questions are compulsory, which sections have internal choice, whether there are separate marks for different parts. Spend 3 minutes on this before writing a single word.
Mistake 10: Using the Last 15 Minutes Unproductively
The error: Spending the last 15 minutes of the exam checking already-completed answers when unattempted questions remain, or sitting idle after attempting all questions.
The fix: If all questions are attempted — use the last 15 minutes to add any additional points you missed, check calculations for arithmetic errors, and ensure every answer has a conclusion. If some questions are not fully answered — use the time to add at least partial answers to blank sections. 15 minutes at the end of a 3-hour exam can add 8–12 marks if used on unattempted material.
💡 Mock tests are where you fix exam-day mistakes before they cost real marks. The e-mentor test series simulates the actual exam format — attempt tests under timed conditions, review your answers against the model answers, and specifically track which of these 10 mistakes appear in your practice. Fixing one mistake per week in the 10 weeks before your exam adds 8–15 marks to your final result. Access the test series at e-mentor.xyz.