CBSE 10th Maths Answer Key Unofficial 2026: The Central Board of Secondary Education (CBSE) commenced the exam today, on February 17, 2026. As per the schedule, the CBSE 10th maths exam held between 10:30 AM to 1:30 PM. The maths exam pattern was focused on competency-based learning, with the theory paper accounting for 80 marks and internal assessment for 20 marks. Students who appeared for the maths exam can check the CBSE 10th Maths Answer Key Unofficial 2026, prepared with the subject matter experts. Along with the answer key candidate can also check the detailed exam analysis based on the student's review.
CBSE 10th Important Link for Exam Day |
- CBSE Class 10 Maths Formula List PDF 2026 For Exam Day
- CBSE 2026 Class 10 Maths Expected MCQ Question For 17 February Exam
CBSE 10th Maths Answer Key Unofficial 2026 LIVE
 The CBSE Class 10 Maths exam the unofficial answer key prepared with the help of subject matter experts will be added below:
SET 1 (30/20/1)
| CBSE 10th Maths Questions 2026 | CBSE 2026 Class 10 Maths Answers |
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Section A: MCQ 1. The LCM of 960 and 240 is: 2. The Natural number 1 is: 3. For any natural number n, 5n ends with the digit: 4. The graph of y=f(x) is given. The number of distinct zeroes of y - f(x) is: 5. If α and β are two zeroes of a polynoimioal, f(x)=px2 - 2x + 3p and α + β = αβ, then value of p is? 6. If the pair of linear equation... 7. Which of the following is not an AP 8. In triangles ABC and PQR, ∠A =∠Q and ∠B=∠R, then AB:AC is equal to 9. The distance of point A(4a,3a) from x -axis is: 10. If COS A=4/5, then the value of tan A is: 11. If 2 sin A=1, then the value of tan A+cot A is: 12. From a point on the ground, which is 60 m away from the foot of a vertical tower, the angle of elevation of the top of the tower is found to be 45°. The height (in metres) of the tower 13. In a given figure, PA and PB are tangets to acircle centred at O. If ∠OAB is 15°.... 14. In a given figure, PA and PB are tangets to acircle centred at O. If ∠AOB=130° ... 15. Area of a segment of a circle of radius r and central angle 60° is: 16. A hemispherical bowl is made of steel of thickness 1 cm. The outer radius of the bowl is 6cm. The volume of steel used (in cm3) is: 17. The mean and median of a frequency diustribution are 43 and 43.4 respectively. The mode of the districution is: 18. The probability of a randomly selected answer out of 1,2,3,4...25 to be com[posite number is: 19. The surface are of the cuboid 20. the mean of the first n natural numbers |
Answers: 1. (a) 960 2. (D) neither a prime nor a composite 3. (B) 5 4. (c) 2 5. (B) 2/3 6. a1/a2 = b1/b2=c1/c2 7. (C). √2, √8, √18 8. (C) QR:QP 9. (A) 3A 10. (B) 3/4 11. 4/√3 12. (c) 60m 13.(A) 30° 14. (B) 50 15. (C) 16. 182/3 π 17. (c) 44.2 18. (a) 15/25 19. (C) Assertion is True but reason R is false 20. (D) Assertion is false but Reason R is true |
CBSE 10th Maths 2026: Exam Analysis
Students can check the detailed CBSE Class 10 Mathematics 2026 Exam Analysis from the table below.
| Particulars | Details |
| Overall Difficulty Level | Moderate |
| Section A Difficulty Level | Easy |
| Section B Difficulty Level | Easy to Moderate |
| Section C Difficulty Level | Moderate |
| Section D Difficulty Level | Moderate |
| Section E Difficulty Level | Moderate |
| Was the Paper Lengthy? | Section D and E were lengthy |
Students who appeared for the CBSE Class 10 Maths 2026 exam are advised to use the above CBSE 10th Maths Answer Key Unofficial 2026 only for their personal reference.
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Students must ensure to carry their Admit Card and School ID, as entry will be barred after 10:00 AM.
Home Science answers require practical application. Students are encouraged to support their answers with suitable examples.
The paper is expected to contain 32 questions divided into three sections:
- Section A: 14 Multiple Choice Questions (1 mark each).
- Section B: 7 very short questions (2 marks) and 4 short questions (3 marks).
- Section C: 5 long questions (4 marks) and 2 very long questions (5 marks).
The exam will be held in the morning shift. While the writing duration is 3 hours (10:30 AM to 1:30 PM), students must be seated by 10:00 AM. The question papers will be distributed at 10:15 AM for a mandatory 15-minute reading period.
No, the Cross-Multiplication method remains removed from the 2026 syllabus; students used Substitution or Elimination methods for the word problems.
Section A consisted of 20 Multiple Choice Questions (1 mark each), covering a wide variety of topics from across the syllabus.
The questions primarily revolved around the Section Formula and the Distance Formula, with one Case Study involving coordinates on a map-like grid. The questions were generally straightforward and formula-based, appearing across Section A (MCQs) and Section C (Short Answer).
Under the 2026 "Competency-Focused" model, 50% of the questions were application-based, requiring students to interpret a real-world scenario before applying a mathematical formula.
Under the 2026 "Competency-Focused" model, 50% of the questions were application-based, requiring students to interpret a real-world scenario before applying a mathematical formula.
Section A contained two Assertion-Reasoning questions (Question 19 and 20), which tested conceptual depth in Coordinate Geometry and Real Numbers.
No, there were no questions involving a Frustum in the 2026 CBSE Class 10 Mathematics exam. The topic of Frustum of a Cone was removed from the rationalised CBSE syllabus a few years ago and remains excluded from the 2025-26 curriculum.
The questions from the number system were extremely easy. In today's CBSE Class 10 Mathematics 2026 exam, the Number Systems unit carried a weightage of 6 marks.
Questions were asked:
- Proof of Irrationality
- Fundamental Theorem of Arithmetic
- Application of HCF/LCM
Yes, this unit carried 11 marks of relatively straightforward questions, focusing on finding the Median using the formula and calculating basic theoretical probability.
The 'Trigonometry' unit carried a total of 12 marks, which was distributed across two chapters: Introduction to Trigonometry and Some Applications of Trigonometry.
Yes. Most sets included a direct proof in Section C (3 Marks). The most common question asked students to prove the theorem.
Yes, Triangles had a heavy presence with approximately 8–9 marks, focusing on BPT (Basic Proportionality Theorem) proofs and similarity-based calculations.
Yes, the three Case-Based questions (Section E) were primarily drawn from Arithmetic Progressions, Coordinate Geometry, and Applications of Trigonometry (Heights and Distances).
For most students, the next major paper is English (Communicative/Language & Literature) on February 21.
As per the 2026 pattern, Algebra (20 marks) and Geometry (15 marks) dominated the distribution across all sets.
According to the board rules and marking scheme, students must score a minimum of 26.4 marks (approx. 27) out of 80 to pass the theory component.
Yes, CBSE follows a strict step-marking scheme where marks are awarded for every correct formula and intermediate calculation step.
On Day 2 of the CBSE 10th board exam 2026, the Home Science paper will be conducted from 10.30 am to 1.30 pm.
Primary expert reviews indicate the CBSE 10th Maths paper 2026 adhered 100% to the rationalised NCERT syllabus. There have been no out-of-syllabus questions reported as of now.
Subject experts will release set-wise solutions soon. Students will be able to check their performance as soon as the answer keys are updated.
- The paper was of Moderate - Difficult Level according to students.
- Section C,D, and E were lengthy. Students were skeptical about case studies questions.
- Most questions were NCERT-based.
According to students, Section C (3-mark questions) and Section D (5-mark long answers) were the most time-consuming. Anwesha Das says, “The Geometry and Surface Areas & Volumes problems required a lot of time due to multiple calculation steps and diagrammatic representations.” According to Nivedita Sinha , “Section E (Case Studies) required special attention, and I spent 45 minutes just to answer that.”
The overall paper difficulty level was Moderate, based on the students' first response. However, the detailed analysis will be updated after the expert’s reviews.
The CBSE Class 10th Maths Paper was above moderate level. According to Sugandha, a CBSE Class 10 student from New Delhi, says, “There were competency-based questions. The questions were based on direct NCERT exercises and examples. Still, the paper was above a moderate level for me.”
Class 10th CBSE students have started coming out of their examination hall. The student’s feedback and reviews will be updated soon.
The CBSE 10th Board Maths Exam concluded at 1:30 PM. The students have submitted their answer sheet and will exit the centres anytime.
Under the new CBSE scheme, 50% of the questions are now competency-focused, appearing as MCQs, case-based studies, or source-integrated tasks. The remaining half of the questions paper is divided between 20% select-response type questions (objective) and 30% constructed-response questions (traditional short and long answers).
Only 30 minutes are remaining for the Class 10th Maths exam to be over. As scheduled the exam will conclude at 1:30 PM.
|
Type of Questions |
No. of Questions |
Marks |
|
1 Mark |
20 |
20 × 1= 20 |
|
2 Marks |
5 |
5 × 2= 10 |
|
3 Marks |
6 |
6× 3= 18 |
|
4 Marks |
3 |
3 × 4= 12 |
|
5 Marks |
4 |
5 × 4 = 20 |
|
Total |
38 |
80 |
The writing session of CBSE 10th board is currently in progress. Most students are likely finishing Section C (Short Answers) and moving into Section D (Long Answers) of 20 marks. The exam will continue until 1:30 PM.
No, according to the board regulations, all students are required to remain in their seats until the final bell at 1:30 PM.
The CBSE Class 10th Maths exam 2026 will be conducted for 3 hours. The students will complete their answers and submit the answer sheet by 1:30 PM.
As per the CBSE rule, the Class 1o students were given 15 minutes extra to read the question paper. Students started writing answers at 10:30 AM.
The CBSE Class 10th board Maths exam 2026 started today February 17, 2026, at 10:30 AM. Students have taken their seats and started answering the questions.
According to the guidelines of the exam-conducting authority, the total number of case study-based questions asked in the Math Paper of the CBSE Class 10th Exam will be 3.
The expected marks from the ‘Statistics and Probability’ chapter in the CBSE Class 10th Maths Exam will be 11, according to the data from previous years.
According to the data from previous years, the expected marks from the ‘Mensuration’ chapter in the CBSE Class 10th Maths Exam will be 10 marks.
In the CBSE Class 10th Maths Exam, the expected marks from the ‘Geometry’ chapter will be 15, according to the data from previous years.
The expected marks from the Trigonometry chapter in the CBSE Class 10th Maths Exam will be 12, according to the data from previous years.
According to the data from previous years, the expected marks from the ‘Coordinate Geometry’ chapter in the CBSE Class 10th Maths Exam will be 6.
In the CBSE Class 10th Maths Exam, the expected marks from the ‘Algebra’ chapter will be 20, according to the data from previous years.
The expected marks from the ‘Number System’ chapter in the CBSE Class 10th Maths Exam will be 6, according to the data from previous years.
A candidate can manage time during the CBSE Class 10th Math Exam by following the steps below.
- Before answering the questions, read the paper carefully and make sure which questions you can solve properly. Solve them first.
- A candidate should not waste time unnecessarily on a particular problem.
- Try to solve the questions last, which seems difficult.
- Set a timeline for each section and solve questions accordingly.
The total marks to pass the CBSE Class 10th Maths Exam, a candidate must score 33%. Therefore, in a theoretical paper, a candidate must score at least 27 to pass.
According to the guidelines of the exam-conducting authority, the total number of long-answer-type questions asked in the Math Paper of the CBSE Class 10th Exam will be 5.
Yes, a candidate has to carry a valid photo identity card to the CBSE Class 10th Math Exam Center. Without a valid photo identity card, a candidate will not be allowed to enter the exam center.
The total number of short-answer-type questions asked in the Math Paper of the CBSE Class 10th Exam will be 6, according to the guidelines of the exam-conducting authority.
No, a soft copy of the CBSE Class 10th admit card 2026 is not valid for entry to the exam hall. All the candidates have to carry the original hard copy of the admit card.
As per the question papers of the previous years, the expected difficulty level of the CBSE Class 10th Maths Exam will be moderate. In this paper, around 40% questions will be easy, 50% questions will be moderate, and 10% questions will be difficult.
According to the guidelines of the exam-conducting authority, the total number of multiple-choice questions asked in the Math Paper of the CBSE Class 10th Exam will be 5.
The CBSE Class 10th Maths Exam will start at 10:30 A.M. and will end at 1:30 P.M. Therefore, the total time allotted for the candidates to complete the paper is 3 hours or 180 minutes.
The total number of multiple-choice questions asked in the Math Paper of the CBSE Class 10th Exam will be 20, according to the guidelines of the exam-conducting authority.
Maths chapters that have lower weightage in the CBSE Class 10th Maths Exam are mentioned as follows:
- Number System: 6 Marks
- Coordinate Geometry: 6 Marks
The Maths paper consists of 5 sections. Those are mentioned as follows:
- Section A: Multiple-Choice Questions: 20 Questions
- Section B: Very Short Answer Type Questions: 5 Questions
- Section C: Short Answer Type Questions: 6 Questions
- Long Answer Type Questions: 3 Questions
- Case Study-Based Questions: 4 Questions
The following chapters have the highest weightage in the CBSE Class 10th Maths Exam as mentioned below.
- Algebra: 21 Marks
- Geometry: 15 Marks
- Trigonometry: 12 Marks
- Statistics: 11 Marks
- Mensuration: 10 Marks
The total marks in the Math Paper of the CBSE Class 10th Exam are 100. It is divided into two parts.
- Theory Paper: 80 Marks
- Internal Assessment: 20 Marks
A candidate can avoid the following things on the day before the CBSE Class 10th Maths Exam as follows:
- A candidate must not study till late at night on the day before this exam.
- A candidate should not start preparing any new topic on the day before the exam.
- The candidate should not take any unnecessary stress before the exam.
Here are the last-minute preparation tips for the candidates to score well in this CBSE Class 10th Maths Exam are mentioned as follows:
- Revise the important points and short notes.
- Go through the equations, derivations, formulas, etc., and try to memorize them.
- Focus on chapters with high weightage in this exam.
- Take proper rest and give your best in the exam.
In the CBSE Class 10th Maths Exam, the less important Math topics are mentioned as follows:
- Coordinate Geometry
- Number System
The most important topics in the CBSE Class 10th Maths Exam are mentioned as follows:
- Algebra
- Geometry
- Trigonometry
- Probability and Statistics
- Mensuration
No, mobile phones are strictly prohibited inside the CBSE Class 10th Maths exam center. A candidate will not be allowed to enter the exam hall with a mobile phone.
The following items will not be allowed inside the exam center of the CBSE Class 10th Maths Exam, as mentioned below.
- Any electronic device, such as a mobile phone, calculator, Bluetooth device, smartwatch, etc.
- Any written item, sheet, book, etc.
- Any unnecessary item, such as a wallet, a bag, a metallic item, etc.
All the candidates have to enter the exam hall with their original CBSE Admit Card. A candidate who does not have his original admit card will not be allowed to enter the exam hall.
A candidate must carry the essential documents to the exam hall for the CBSE Class 10th Maths Exam as mentioned below.
- The original CBSE Admit Card
- A valid school identity card
- Pen, pencil, eraser, scale, geometry box, etc.
Here are the guidelines for the candidates on the day of the CBSE Class 10th Maths Exam, mentioned as follows:
- Reach the exam center at least 30 minutes before the reporting time.
- Take all the important items, such as a pen, pencil, scale, admit card, etc., to the exam center.
- Follow all the instructions mentioned in the question paper.
- Don't be involved in any kind of unfair activities inside the exam center.
The total marks for the Maths paper in the CBSE Class 10th Exam are 100. Out of 100 marks, the theory paper consists of 80 marks, and the remaining 20 marks are for the internal assessment.
The reporting time for the 10 Maths Exam is 10 A.M., according to the guidelines of the CBSE. Candidates who will write this exam must reach the exam center before this time.
According to the exam schedule, the CBSE Class 10th Maths Exam will be conducted on 17th February 2026.