How to Calculate Marks using IB Security Assistant Answer Key 2025

IB Security Assistant Answer Key 2025: The Intelligence Bureau (IB) has released the IB Security Assistant Answer Key 2025 on October 4, 2025. This answer key is for the Tier 1 examination, which was conducted on September 29 and 30, 2025. IB SA 2025 provisional answer key will allow candidates to calculate the performance of students and estimate their scores before the official results are announced. Candidates can download the answer key from the official Ministry of Home Affairs (MHA) website: mha.gov.in.

Also Read: IB Security Assistant Answer Key 2025

IB Security Assistant Marking Scheme 2025

IB Security Assistant (SA) Tier 1 exam follows a structured marking system. Understanding this marking scheme is important for correctly calculating the estimated score using the IB Security Assistant Answer Key 2025. Below, we’ve mentioned the IB Security Assistant Marking Scheme 2025:

Formula to Calculate Marks Using IB Security Assistant Answer Key 2025

Total Marks = (Number of Correct Answers × 1) – (Number of Wrong Answers × 0.25)

To calculate the estimated score of students, they can use the IB Security Assistant Answer Key 2025:

1. Count the Number of Correct Answers: Review the answer key and tally the questions students have answered correctly.

2. Count the Number of Incorrect Answers: Identify the questions students have Negative marking in IB Security Assistant exam.

3. IB Security Assistant answer key calculation: Use the mentioned IB SA 2025 marks formula:

IB Security Assistant Marks Calculation 2025 with Example

To help you understand the IB Security Assistant marks calculation 2025 more clearly, below, we’ve mentioned a practical example. This will show how to apply the marking scheme using actual numbers for correct, incorrect, and unanswered questions.

• Total Questions: 100
• Correct Answers: 85
• Incorrect Answers: 10
• Unanswered Questions: 5

Calculation:

• Correct Answers: 85 × 1 = 85 marks
• Incorrect Answers: 10 × 0.25 = 2.5 marks deducted
• Total Marks: 85 − 2.5 = 82.5 marks

Step-by-Step Guide to Calculate Marks Using IB Security Assistant Answer Key 2025

Calculating the tentative marks using the IB Security Assistant Answer Key 2025 is a simple process if students follow these steps carefully. Below, we will help students estimate their performance accurately and understand where they stand before the official results are declared.

Step 1: Download the Answer Key: Go to the official MHA website and download the IB Security Assistant Answer Key 2025 for the exam set (A, B, C, or D).

Step 2: Check Your Answers: Compare the answers with the answer key. Mark which ones are correct and which are wrong.

Step 3: Count Correct and Wrong Answers: Count how many students got right and how many students got wrong. Unanswered questions don’t affect the score.

Step 4: Use the Marking Formula: Use this formula: Total Marks = (Correct × 1) – (Wrong × 0.25)

• Each correct answer = +1 mark
• Each wrong answer = −0.25 mark

Step 5: IB Security Assistant result calculation: Subtract the negative marks from the correct answers to get the estimated score.

Tip: Candidates can also maintain a small Excel sheet or table to automate the calculation. If they have many incorrect answers. This ensures accurate computation and saves time.

Also Read: IB Security Assistant Cut Off

Why Tentative Marks May Differ from Final IB Security Assistant Result 2025

• The provisional answer key is subject to change based on objections raised by candidates.
• If discrepancies are found, candidates can challenge the answer key by submitting valid proof and paying a nominal fee.
• After reviewing all objections, the final answer key will be released, which may lead to changes in the estimated scores.

Key Points for Candidates After Calculating IB Security Assistant Marks 2025

After calculating your tentative score using the IB Security Assistant Answer Key 2025, there are a few important steps candidates should follow to stay prepared and informed. 

Calculating your estimated score using the IB Security Assistant Answer Key 2025 is a simple process that helps you assess your performance. By following the marking scheme and using the provided formula, you can obtain an estimated score. Remember to stay informed about the final answer key and result announcements by regularly visiting the official MHA website.