CBSE Class 10 Maths Viva 2025 : Important Practical Viva Questions & Answers; Download Free PDF

The CBSE Class 10 practical exams are just around the corner, so it's time to start getting ready. Focus on going through viva questions and practical demos. Examiners look for answers that are short, clear, and straight to the point. Be sure to review the Maths Viva 2025 questions listed here to help you prepare.

As per cbse.gov.in, Class 10 practical exams will be held from January 1, 2025 to February 14, 2025. The exact date for the Maths practical depends on your school and the examiner's availability.

Look through the Maths viva questions for Class 10 students below. Take some time to go over them and refresh what you’ve learned throughout the year.

CBSE Class 10 Maths Viva Questions With Answers

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

Download PDF
CBSE Class 10 Maths Viva Questions With Answers	Click Here

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.

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

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