CBSE Class 10 Maths Viva Questions with Answers 2025: Top Maths Practical Viva Solutions PDF Download

Maths Practical Viva Questions With Solutions: The Central Board of Secondary Education (CBSE) practical exams are about to begin and it's time for Class 10 students to start their preparations and start revising the viva questions and practical demonstration. The examiner expects short and crisp replies and concise answers from students which is a point-to-point answer for their question. Thus, prepare accordingly and go through the questions provided here for Class 10 Maths Viva 2025.

Check | CBSE class 10 Date Sheet 2025

Also Check | CBSE Board Practical Exams 2025 Dates

CBSE Class 10 Maths Practical Exam Date 2025

As per cbse.gov.in, the Class 10th practical exams will be conducted from January 1, 2025 and concluded on February 14, 2025. The exact date for the Maths practical cannot be conveyed as it varies from school to school and the availability of the examiner. 

CBSE Class 10 Maths Viva Questions With Answers

Below are the Maths viva questions for Class 10 students. They can quickly go through them and revise what they have learnt throughout the year.

Q1. What is the formula used in Arithmetic Progression?

Ans. Arithmetic Progression (AP): nth term of an AP = a + (n-1) d

Q2. What is the formula used in Arithmetic Mean? 

Ans. Arithmetic Mean = Sum of all terms in the AP / Number of terms in the AP

Q3. What is the formula used in the Sum of ‘n’ terms of an AP?

Ans. Sum of ‘n’ terms of an AP = 0.5 n (first term + last term) = 0.5 n [ 2a + (n-1) d ]

Q4. What is the formula to find the common difference of an AP?

Ans. Common difference of an AP: d = a2 – a1.

Q5. How do you find the nth term of an AP formula?

Ans. The formula of Arithmetic Progression nth term of an AP Formula to find the nth term of an AP is Tn = a + (n – 1) d

Q6. What is the formula to find the sum of an AP?

Ans. AP = 0.5 n (first term + last term) = 0.5 n [ 2a + (n-1) d ]

Q7. What is the HCF (highest common factor)?

Ans. The HCF (Highest Common Factor) of two or more numbers is the highest number among all the common factors of the given numbers. 

Q8. What is the value of tan 90?

Ans. The value of tan 90 is infinite

Q9. What is the HCF (highest common factor)?

Ans. The HCF (Highest Common Factor) of two or more numbers is the highest number among all the common factors of the given numbers.

Q10. When a point is observed, the angle formed by the line of sight with the horizontal level where the point being viewed is above the horizontal plane is known as?

Ans. The angle of elevation.

To Practice:

• KVS Class 10 Practice Papers 2025

Q11. All the sides of the equilateral triangle are equal?

Ans. Yes

Q12. 10 is a natural number. True or false?

Ans. True

Q13. 10 is a whole number. True or false?

Ans. False

Q14. 8 raised to the power 0 is equal to?

Ans. 1

Q15. The largest 4 digit number is?

Ans. 9999

Q16. The smallest 4-digit number is?

Ans. 1000

Q17. The square of 8 is equal to?

Ans. 64

Q18. The square root of 5 is:

Ans. 2.23

Q19. 3 is a perfect square. True or False?

Ans. False

Q20. A Cube of 5 is equal to?

Ans. 125

Check | CBSE Class 10 Deleted Syllabus 2025

Q21. The probability of an event can't be?

Ans. Negative

Q22. In a lottery, there are 10 prizes and 20 blanks. What is the probability of getting a prize?

Ans. 1/3

Q23. Given that sin A = 1/2  and cos B= 1/ then the value of (A+B) is?

Ans. 75 degree

Q24. What is the formula for the area of a square?

Ans. Side square

Q25. C=2πr is the formula for?

Ans. Circumference of a Circle

Q26. The area of a Triangle is?

Ans. ½ base*height

Q27. What is the formula for the area of the rectangle?

Ans. Length*breadth

Q28. Cosec θ =?

Ans. 1/sin θ

Q29. The formula for the cotangent is?

Ans. Cotθ = adjacent/opposite

Q30. What is the area of a sphere?

Ans. 4πr^2

Q31. The cube root of 1331 is?

Ans. 11

Q32. 27 is a perfect cube. True or False?

Ans. True

Q33. A square has all its angles equal to?

Ans. 90 degrees

Q34. The area of the rectangle is equal to?

Ans. Length x Breadth

Q35. If a is the side of the cube, then the volume of the cube is?

Ans. side*cube

Q36. A regular polygon has all its sides?

Ans. Equal

Q37. How is the median of a dataset calculated?

Ans. For an odd number of values, the median is the middle value. For an even number, it's the average of the two middle values.

Q38. What is the formula for the mode of a dataset?

Ans. The mode is the value that occurs most frequently in a dataset.

Q39. How do you find the range of a dataset?

Ans. The range is calculated by subtracting the minimum value from the maximum value. Range = Max − Min

Q40. Define probability in the context of statistics.

Ans. Probability is a measure of the likelihood of an event occurring and is expressed as a number between 0 and 1.

Also Check: 

• CBSE Class 10 Syllabus 2024-25

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