RRB NTPC UG (Under Graduate) 2025 Answer Key Calculator

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Official Answer Key Release: Expected in the second week of September 2025.
Click here for official answer key and response sheet login

The Railway Recruitment Board (RRB) has held the NTPC CBT 1 exam for undergraduate posts (Commercial cum Ticket Clerk, Accounts Clerk cum Typist, Junior Clerk Cum Typist, and Trains Clerk) between 7th August and 9th September 2025. Use the form below to calculate your estimated RRB NTPC UG score and analyze your expected rank, based on your official answer key.

  • Total Vacancies: 3445 posts (CEN 05/2024)
  • Login required: Registration Number & Date of Birth
  • Marking Scheme: +1 for correct, -0.33 for incorrect, no penalty for blank answers

How to Download Your Answer Key

  1. Visit the official RRB answer key portal or your regional RRB site.
  2. Click the “CEN 05/2024 (NTPC-Under Graduate)” link on the homepage.
  3. Find the answer key notification and proceed to login.
  4. Enter your Registration Number and Date of Birth, complete the captcha, and submit.
  5. Download your answer key and response sheet for score calculation.

How to Use the RankGuruji Answer Key Calculator

  1. Gather your answer key: Download your official answer key and response sheet from the RRB portal after logging in with your Registration Number and Date of Birth.
  2. Access the calculator: Go to the RankGuruji RRB NTPC CBT 1 Answer Key Calculator page.
  3. Upload your answer data: Either paste your official Answer Key URL or upload the HTML file of your answer key and response sheet.
  4. Select exam details: Choose your Category (UR/OBC/EWS/SC/ST), Horizontal Reservation (if any), Gender, Branch/Trade, RRB Zone, and State from the dropdowns.
  5. Submit to calculate: Click the Submit button. The tool will automatically process your answers, apply the marking scheme (+1 for correct, -0.33 for incorrect), and compute your total marks.
  6. View instant results: Instantly see your estimated marks and a comparative rank analysis based on your category, zone, and exam details.

Use these insights to evaluate your selection chances and prepare for the next stages with confidence.

Score Formula:
Total Marks = (No. of Correct × 1) – (No. of Incorrect × 0.33)

Example:
If you got 70 correct, 18 incorrect, and 12 blank:
Total Marks = 70 – (18 × 0.33) = 70 – 5.94 = 64.06 (rounded to 64)

Raise Objection (if required)

  • An objection fee of ₹50 per question—refundable if accepted—applies.
  • Submit objections online via official portal during specified dates.

Frequently Asked Questions (FAQ)

The answer key is expected to be released by September 13, 2025. Along with the answer key, response sheets and objection tracker will also be available.

Visit the official RRB website and log in using your registration number and date of birth to download the answer key and response sheet.

For every correct answer, 1 mark is awarded. For every wrong answer, 1/3rd mark is deducted as negative marking.

Yes, you can raise objections by paying ₹50 per question through the online objection tracker within the specified window.

You will need your registration number and date of birth to log in and access the answer key, response sheet, and objection form.

Yes, the answer key is released for all sets (A, B, C, D) and can be accessed using your login credentials.

Compare your answers to the official key, add 1 mark for each correct response, and deduct 1/3rd for each incorrect answer to get your total score.

Yes, the final result is based on the updated answer key after objections are reviewed and finalized.

It lets candidates verify answers, calculate expected scores, and raise objections, ensuring transparency and fairness.

The answer key and response sheet are generally available for 4–6 days after release. Check the RRB portal for deadlines.
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