Bihar Board 12th Maths Answer Key 2025 Out: 4 Feb Maths Exam Objective Questions & Answers
The Bihar Board has released the official BSEB Class 12th Maths provisional answer key on February 28, 2025. Candidates can check it at - objection.biharboardonline.com. Objections can be submitted online until 5:00 PM on March 5, 2025. Late submissions will not be considered as mentioned in an official notification released by the Bihar School Examination Board.
Download: Official BSEB 12th Maths Answer Key 2025 PDF Here
BSEB conducted the Class 12 Mathematics exam for both Science and Arts streams on February 4, 2025. The Bihar Board exam codes are 121 for Mathematics (I.Sc) and 327 for Mathematics (I.A).
Following the exam, various well-known institutions also published the unofficial answer keys for the Bihar Board 12 exam of Maths subject. The official Bihar 12th Maths answer key 2025 is now available for all sets. It contains answers to the objective questions asked in the exam.
Bihar Board Class 12 Maths Exam Solution 2025 Link
The Bihar Board 12th maths answer key allows students to compare their answers with the correct solutions, estimate their scores, and raise objections if they find any discrepancies in the BSEB 12th answer key. They will find both the official and unofficial Class 12 maths Bihar Board 2025 answer key below:
Unofficial Bihar Board 12th Mathematics exam answer key link (SetA-J)
| Set A Maths Answer Key | Set B Maths Answer Key |
| Set C Maths Answer Key | Set D Maths Answer Key |
| Set E Maths Answer Key | Set F Maths Answer Key |
| Set G Maths Answer Key | Set H Maths Answer Key |
| Set I Maths Answer Key | Set J Maths Answer Key |
Bihar Board 12th Maths Answer Key 2024-25: Dates
The board began its BSEB Class 12 theory exams on February 1, 2025. The Bihar Board Class 12 Mathematics exam was scheduled for the morning shift (9:30 am to 12:45 pm) on February 4th. Following the exam, various institutions release unofficial Bihar Board 12 answer keys. The BSEB has now published the official BSEB 12 answer key. Check the table below for BSEB maths answer key dates.
| Particulars | Dates |
|---|---|
Bihar 12th exam date for Maths | February 4, 2025 (9:30 am to 12:45 pm) |
BSEB Class 12 Maths answer key release date (unofficial) | February 4, 2025 |
Bihar Class 12 Maths answer key release date (official) | February 28, 2025 |
BSEB Class 12 Maths Answer Key Image for SET A
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How to Download Bihar 12th Maths Exam Answer Key?
The Bihar Board has published official answer key. For instructions on how to access the official answer key PDF, check the steps below.
- Go to the official BSEB website: objection.biharboardonline.com or secondary.biharboardonline.com.
- Find the "BSEB 12th Answer Key 2025" link, which is located in the "Important Links" section on the homepage.
- Click on the "Bihar Board 12th Exam Answer Key Maths 2024-25" link.
- Download the official Bihar 12 maths answer key PDF file and save it to the device.
- Open the Maths Class 12 Bihar Board PDF to compare the answers and estimate the score.
Previous Year BSEB Maths Answer Key
To learn how to check the answers in the Bihar Board 12th maths answer key, students can refer to this which explain the release process and guides checking their answers.
BSEB 12th Mathematics Answer Key 2024: Click Here
BSEB Board Set A 2024 Maths Answer Key
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Questions related to Bihar Board 12th
On Question asked by student community
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What are you looking for regarding Bihar Board Class 12 Arts? Do you need all-subject question papers, the syllabus, or the exam pattern and marking scheme?
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Hello
You can download the Bihar Board Class 12 Question Papers and Model Papers for the 2027 examination from Careers360. The 2027 model papers may be released subject-wise as they become available.
https://school.careers360.com/boards/bseb/bihar-board-12th-model-paper
https://school.careers360.com/boards/bseb/bihar-board-12th-question-papers-2026
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Please check the relevant resources shared below.
https://school.careers360.com/boards/bseb/bihar-board-class-11-question-papers-2026
Hi Aman Kumar
For the Bihar Board Class 12 English Half-Yearly Question Paper 2026-27, you can check the Careers360 page. The question paper and answer key will be updated on this page