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The Bihar School Examination Board (BSEB) has started the Bihar Board Intermediate board examinations 2025. The Bihar Board 12th Mathematics board exam was conducted on February 04, 2025 for IA (arts) and ISc (science) students.
Students can check the Bihar Board 12th Maths Answer Key 2025 on this page now as the exam has been concluded. The Bihar Board Maths exam analysis 2025 is also available now.
Bihar Board 12th Maths Answer Key 2025
The Class 12th Maths examination of Bihar Board was held in the morning shift from 9:30 AM to 12:45 PM. The BSEB inter annual mathematics examination consists of both objective (MCQs) and subjective questions.
Students are given 3 hours to solve the question paper and an additional 15 minutes in the beginning to read the question paper. To check their answers, students should review our Bihar Board 12th Maths Answer Key 2025.
Bihar Board Class 12th Maths Answer Key 2025
The BSEB releases the Bihar Board class 12th Maths Answer Key 2025 officially in March 2025 on the board portal at biharboardonline.bihar.gov.in. Meanwhile, our expert mathematics faculty at Adda247 will provide you with the unofficial answers for all the objective and subjective questions asked in this exam. These answers will be 100% accurate and will help you evaluate your exam performance before the result.
Bihar Board 12th Maths Questions 2025 with Answers
Q) The direction ratios of the straight line are
x-19/13 = y-17/11 = z-15/9 are
(A) 19, 17, 15
(B) 13,11, 9
(C)19, 17, 9
(D) None of these
Ans: (B) 13, 11, 9
Q) The maximum value of Z=3x-y subject to constraints
x+y≤8, x≥0, y≥0 is
(A) -8
(B) 24
(C) 16
(D) 8
Ans: (B) 24
Q) Multiplication theorem of probability is
(A)P(A∩B) = P(A).P(B)
(B)P{A∩B)-P(A)+P(B)-P(AUB)
(C)P(A∩B) -P(A).P(B/A)
(D) None of these
Ans. (C)P(A∩B) -P(A).P(B/A)
Q) If odds in favour of event E be a: b, then P(E)=
(A) a/(a-b)
(B) a/(a+b)
(C) b/(a+b)
(D) b/(a-b)
Ans. (B) a/(a+b).
Q) Through which of the following points does the line
x-11/12 = y-12/13 = z +13/14 pass?
(A) 11, 12, 13
(C) 12, 13, 14
(B) 11, 12, 13
(D) -11, 12, 13
Ans. (B) 11, 12, 13.
Bihar Board Inter Maths Answer Key 2025 PDF Set-wise
Candidates can download the set-wise BSEB 12th Math exam answer key 2025 here for all sets.
Q)
Ans: (C)
Q)
Ans: (A)
Q)
Ans: (C)
Q)
Bihar Board Intermediate Mathematics Question Paper Pattern 2025
The Bihar Board Inter Mathematics theory examination is held for 100 marks. There is no practical component for Math subject in Bihar Board. The BSEB Mathematics annual exam consists of 100 multiple choice questions out of which candidates need to answer any 50 questions. Check the paper pattern below.
Section Name | Question Types | No. of questions | Marks per question | Compulsory Questions |
A | Objective Type | 100 | 1 | Answer any 50 questions |
B | Short Answers Type Questions | 30 | 2 | Answer any 15 questions |
C | Long Answers Type Questions | 8 | 5 | Answer any 4 questions |
Bihar Board Maths Question Paper 2025 Class 12th PDF
The official PDF of the Bihar Board class 12th maths question paper is provided here. This question paper will serve as a reference for students who want to match their answers with the answer key provided on this page. The question paper can be utilized by future board students also.
Bihar Board Class 12th Maths Exam Analysis 2025
Following the exam, students expressed varied opinions about the difficulty of the question paper; some considered it balanced, while others felt it was quite challenging.
Students’ Reaction
Some students claim that the mathematics exam was simpler than in prior years and the questions were directly sourced from NCERT.
Several questions in the MCQ section were challenging, which caused students to struggle with selecting the correct answer.
Some claimed that both the short answer and long answer questions were based on the board syllabus, yet they required considerable time to complete.
Concerning the level of difficulty, students mentioned that certain questions in Trigonometry and Calculus appeared to be tough.
Expert Teacher Analysis
Teachers indicated that the question paper for the Bihar Board Class 12 Maths Exam 2025 was well-balanced and entirely aligned with the specified syllabus.
- The difficulty of the exam matched that of the board exam.
- The majority of the questions were derived from the syllabus and NCERT, allowing students to encounter minimal challenges.
- Certain calculation-focused questions may have created difficulties for students regarding time management.
- Teachers also recommended that students work on BSEB Class 12 Model Papers 2025 and past years’ question papers to improve their readiness for the upcoming exams.