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Bihar Board 10th Maths Answer Key 2025, Download PDF- All Sets

Bihar Board 10th Maths Answer Key: This article will help students get the answer key for the Bihar Board Class 10th Maths exam. Students can check their answers here and calculate their total marks. Read the full article to know.

Feb 18, 2025, 17:06 IST

Bihar Board BSEB Class 10th Maths Answer Key 2025

Bihar Board Class 10th Maths Answer Key 2025: The answer key for the Class 10th Maths exam 2025, conducted by the Bihar School Examination Board (BSEB), will be released soon. Until then, we are providing the answer key by experts that will help students compare their answers and estimate their total marks. Once the answer key is released, students can match their answers with the correct ones and evaluate their performance in the exam. This process helps students understand areas where they need improvement and where they performed well. Using the answer key allows students to learn from their mistakes and improve their preparation for future exams.

Check:

Bihar Board 10th Maths Exam Analysis 2025

Bihar Board Class 10th Maths Question Paper 2025

Importance of BSEB Class 10th Maths Answer Key:

Helps in Self-Evaluation – Students can compare their answers with the answer key to check how well they performed in the exam and estimate their scores.
Clears Doubts – The answer key helps the students to understand the correct solution and learn from their mistakes.
Reduces Stress – Knowing the correct answers gives students confidence and helps them stay calm while waiting for their official results.

Bihar Board Class 10th Maths Answer Key 2025: Key Highlights

Feature	Answer Key
Exam Date:	February 18, 2025, from 9:30 AM to 12:45 PM
Board Name:	Bihar School Examination Board (BSEB)
Official Website:	www.biharboardonline.bihar.gov.in
Question Paper Format:	Multiple Choice Questions (MCQs), Short Answer Questions And Long Answer Questions

Bihar Board Class 10th Maths Answer Key 2025

1. sin(90° - A) =

Answer: Option (B): cos A

2. यदि α = β = 60° हो तो cos(α - β) का मान है

Answer: Option (B): 1

3. यदि θ = 45° हो तो sin θ + cos θ का मान है

Answer: Option (B): √2

4. यदि A = 30° हो तो (2 tan A) / (1 - tan² A) का मान है

Answer: (B): tan 60°

5. यदि tan θ = 12/5 हो तो sin θ का मान है

Answer: (B) 12/13

6: sin31∘×cot10∘cos59∘×tan80∘=

Answer: (B) 1

7: यदि tan25∘×tan65∘=sinA से तो A का मान है
Answer: (D) 45^∘

8:यदि cosθ=x तो tanθ=
Answer: (D) x/√1-x²

Steps To Download Bihar Board Class 10th Maths Answer Key?

Step 1: Visit the official website of the Bihar Board, biharboardonline.bihar.gov.in.
Step 2: Click on the "Answer Key" or "उत्तर कुंजी" section on the homepage.
Step 3: Select the "Matric Maths Answer Key 2025" link.
Step 4: Download the answer key in PDF format and compare it with your answers.

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