TN 12th Math Answer Key 2025: As scheduled, the Tamil Nadu Board of Secondary Education, Chennai, conducted the Tamil Nadu Class 12 Mathematics 2025 examination today, March 11, 2025. The exam was held from 10 AM to 1:15 PM. The Tamil Nadu Class 12 Maths 2025 question paper had a weightage of 90 marks. Students must score a minimum of 25 marks out of 90 to pass the examination. Students who appeared for the examination can check the TN 12th Maths Answer Key 2025 available here with the TN 12th Maths 2025 exam analysis.
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TN 12th Maths Answer Key 2025
The Tamil Nadu Maths 2025 unofficial answer key is given in the table below.
| Questions | TN 12th Maths Answer Key 2025 |
| 1. Subtraction is not a binary operation in | N |
| 2. Suppose that X takes on one of the values.... | 2 |
| 3. If a non-singular matrix... | 1/5 |
| 4. A stone is thrown up vertically | 2.5 |
| 5. The order and degree of differential equation... | 1,2 |
| 6. If Matrix A= [ 2 3 5 -2] ... | 19 |
| 7. The slope at any point of a curve | y=x^3+2 |
| 8. The domain of the function... | [1, 2] |
| 9. If u(x,y).... | 2xu |
| 10. The number of real numbers... | 2 |
| 11. The square root of i are... | option B |
| 12. The value of 13 Sigma n=1... | 1+i |
| 13. If in 6 trails.... | 0.25 |
| 14. The angle between the lines... | pi/2 |
| 15. y= (x-1)^3.... | (1, 0) |
| 16. The value of... | pi/6 |
| 17. The volume of solid of revolution... | pia^3/6 |
| 18. The ellipse has OB as... | 1/Sq rt 2 |
| 19. The volume of parallelepiped.... | pi |
TN 12th Maths Exam Analysis 2025
The TN 12th Maths Question Paper Analysis 2025 is given in the table below.
| Particulars | TN 12th Maths Exam Analysis 2025 |
| Overall Exam Difficulty | Moderate to Difficult |
| Part I Difficulty Level | Moderate |
| Part II Difficulty Level | Moderate |
| Part III Difficulty Level | Moderate to Difficult |
| Part IV Difficulty Level | Moderate to Difficult |
| Number of Good Attempts | 50+ |
| Was the Paper Lengthy and Time Consuming? | Parr III and IV were a bit lengthy and time consuming |
Students must note that the TN 12th Maths Exam Analysis 2025 and the TN 12th Maths Answer Key 2025 available here are completely unofficial and are only for students' reference. Students are advised to visit the official website of the Tamil Nadu Board of Secondary Education for more information on the TN Class 12 Examination 2025.
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