Explore DAv Class 8 Maths Book Solutions for Better Exam Preparation

Explore comprehensive solutions for DAv Class 8 Maths book. Get expert-backed answers for every chapter to ace your exams with confidence

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DAv Class 8 Maths Book Solutions provide students with expert-backed, easy-to-understand explanations for every chapter. These solutions cover all key concepts, ensuring a deeper understanding of complex topics. Whether preparing for exams or reinforcing learning, the solutions are designed to simplify math problems and boost performance.

Sample Questions and Answers (Class 8 Maths)

What is the value of 2x + 5 when x = 3?
- Answer: Substituting x = 3, we get 2(3) + 5 = 6 + 5 = 11.
Solve for x: 5x – 3 = 22.
- Answer: Add 3 to both sides: 5x = 25. Now, divide both sides by 5: x = 5.
Find the area of a triangle with base 6 cm and height 4 cm.
- Answer: Area = 1/2 * base * height = 1/2 * 6 * 4 = 12 cm².
What is the perimeter of a rectangle with length 8 cm and width 5 cm?
- Answer: Perimeter = 2 * (length + width) = 2 * (8 + 5) = 26 cm.
Solve for y: 3y + 4 = 19.
- Answer: Subtract 4 from both sides: 3y = 15. Now divide by 3: y = 5.

What is the value of the expression 4x² + 3 when x = 2?
- Answer: Substitute x = 2: 4(2)² + 3 = 4(4) + 3 = 16 + 3 = 19.
If the sum of two consecutive integers is 15, find them.
- Answer: Let the integers be x and x + 1. So, x + (x + 1) = 15. Solving, we get x = 7 and x + 1 = 8.
Find the simple interest on a principal of ₹1000 at a rate of 5% for 3 years.
- Answer: Simple Interest = (Principal * Rate * Time) / 100 = (1000 * 5 * 3) / 100 = ₹150.
The ratio of boys to girls in a class is 3:4. If there are 21 boys, how many girls are there?
- Answer: 3/4 = 21/x. Cross-multiply and solve for x: x = (21 * 4) / 3 = 28 girls.
What is the volume of a cube with side 3 cm?
- Answer: Volume = side³ = 3³ = 27 cm³.
Solve for z: 4z – 7 = 9.
- Answer: Add 7 to both sides: 4z = 16. Now divide by 4: z = 4.
Find the perimeter of a square with side length 5 cm.
- Answer: Perimeter = 4 * side = 4 * 5 = 20 cm.

Solve for x: 2x + 8 = 18.
- Answer: Subtract 8 from both sides: 2x = 10. Now divide by 2: x = 5.
Find the area of a rectangle with length 12 cm and width 9 cm.
- Answer: Area = length * width = 12 * 9 = 108 cm².
What is the value of x in the equation 2x + 7 = 15?
- Answer: Subtract 7 from both sides: 2x = 8. Now divide by 2: x = 4.
Solve for y: 6y – 4 = 32.
- Answer: Add 4 to both sides: 6y = 36. Now divide by 6: y = 6.
Find the area of a circle with radius 7 cm (use π = 22/7).
- Answer: Area = π * r² = (22/7) * 7² = 154/7 = 22 cm².

Solve for x: 3x – 4 = 11.
- Answer: Add 4 to both sides: 3x = 15. Now divide by 3: x = 5.
What is the perimeter of a triangle with sides 3 cm, 4 cm, and 5 cm?
- Answer: Perimeter = 3 + 4 + 5 = 12 cm.
Solve for x: 5x + 6 = 26.
- Answer: Subtract 6 from both sides: 5x = 20. Now divide by 5: x = 4.
  Sample Questions and Answers (Class 8 Maths)
  1. What is the value of 2x + 5 when x = 3?
    - Answer: Substituting x = 3, we get 2(3) + 5 = 6 + 5 = 11.
  2. Solve for x: 5x – 3 = 22.
    - Answer: Add 3 to both sides: 5x = 25. Now, divide both sides by 5: x = 5.
  3. Find the area of a triangle with base 6 cm and height 4 cm.
    - Answer: Area = 1/2 * base * height = 1/2 * 6 * 4 = 12 cm².
  4. What is the perimeter of a rectangle with length 8 cm and width 5 cm?
    - Answer: Perimeter = 2 * (length + width) = 2 * (8 + 5) = 26 cm.
  5. Solve for y: 3y + 4 = 19.
    - Answer: Subtract 4 from both sides: 3y = 15. Now divide by 3: y = 5.
  6. What is the value of the expression 4x² + 3 when x = 2?
    - Answer: Substitute x = 2: 4(2)² + 3 = 4(4) + 3 = 16 + 3 = 19.
  7. If the sum of two consecutive integers is 15, find them.
    - Answer: Let the integers be x and x + 1. So, x + (x + 1) = 15. Solving, we get x = 7 and x + 1 = 8.
  8. Find the simple interest on a principal of ₹1000 at a rate of 5% for 3 years.
    - Answer: Simple Interest = (Principal * Rate * Time) / 100 = (1000 * 5 * 3) / 100 = ₹150.
  9. The ratio of boys to girls in a class is 3:4. If there are 21 boys, how many girls are there?
    - Answer: 3/4 = 21/x. Cross-multiply and solve for x: x = (21 * 4) / 3 = 28 girls.
  10. What is the volume of a cube with side 3 cm?
    - Answer: Volume = side³ = 3³ = 27 cm³.
  11. Solve for z: 4z – 7 = 9.
    - Answer: Add 7 to both sides: 4z = 16. Now divide by 4: z = 4.
  12. Find the perimeter of a square with side length 5 cm.
    - Answer: Perimeter = 4 * side = 4 * 5 = 20 cm.
  13. Solve for x: 2x + 8 = 18.
    - Answer: Subtract 8 from both sides: 2x = 10. Now divide by 2: x = 5.
  14. Find the area of a rectangle with length 12 cm and width 9 cm.
    - Answer: Area = length * width = 12 * 9 = 108 cm².
  15. What is the value of x in the equation 2x + 7 = 15?
    - Answer: Subtract 7 from both sides: 2x = 8. Now divide by 2: x = 4.
  16. Solve for y: 6y – 4 = 32.
    - Answer: Add 4 to both sides: 6y = 36. Now divide by 6: y = 6.
  17. Find the area of a circle with radius 7 cm (use π = 22/7).
    - Answer: Area = π * r² = (22/7) * 7² = 154/7 = 22 cm².
  18. Solve for x: 3x – 4 = 11.
    - Answer: Add 4 to both sides: 3x = 15. Now divide by 3: x = 5.
  19. What is the perimeter of a triangle with sides 3 cm, 4 cm, and 5 cm?
    - Answer: Perimeter = 3 + 4 + 5 = 12 cm.
  20. Solve for x: 5x + 6 = 26.
    - Answer: Subtract 6 from both sides: 5x = 20. Now divide by 5: x = 4.

Top Indian Books for Class 8 Maths Solutions

RD Sharma’s Mathematics for Class 8
- Author: RD Sharma
- Publisher: Dhanpat Rai Publications
- Content: This book offers detailed solutions to a wide range of problems from every chapter. It covers topics like algebra, geometry, mensuration, and statistics, with practical examples and a variety of questions designed to boost problem-solving skills.
Selina Publishers Concise Mathematics for Class 8
- Author: Dr. S.K. Gupta & Dr. Anubhuti Gangal
- Publisher: Selina Publishers
- Content: This book is a student favorite, providing concise and clear solutions with step-by-step explanations. It includes various exercises, examples, and practical applications for topics such as linear equations, properties of quadrilaterals, and surface area.
Mathematics for Class 8 (NCERT Solutions)
- Author: NCERT
- Publisher: National Council of Educational Research and Training
- Content: NCERT solutions are the standard for most Indian schools, including DAV. This book covers all chapters from the official syllabus, with precise solutions to textbook questions and practice problems that are ideal for exam preparation.
Kishore Publications Class 8 Maths Solutions
- Author: Kishore
- Publisher: Kishore Publications
- Content: This book is perfect for students looking to build strong mathematical foundations. It covers topics like exponents, rational numbers, and probability. The solutions are simple and easy to follow, making it a good reference guide.
Together with Mathematics for Class 8
- Author: Deepak Bhardwaj
- Publisher: Together with Publishers
- Content: This book provides solutions to a wide range of practice problems from the curriculum. It includes questions for self-assessment, previous year exam questions, and additional exercises for all topics, helping students to understand concepts better.
M.L. Aggarwal Class 8 Mathematics
- Author: M.L. Aggarwal
- Publisher: Arya Publications
- Content: Known for its clear and structured approach, this book offers practical solutions and helps in understanding algebra, geometry, and statistics. The exercises are designed to cater to both beginner and advanced learners.
V.K. Agarwal’s Mathematics for Class 8
- Author: V.K. Agarwal
- Publisher: S. Chand & Co.
- Content: This book provides comprehensive solutions, including reasoning and application-based questions. It emphasizes on critical thinking and includes detailed explanations on topics like sets, polynomials, and probability.
Educart Class 8 Maths Solutions
- Author: Educart
- Publisher: Educart Publications
- Content: This book is great for students preparing for competitive exams and school tests. It includes a large number of practice questions and model papers, covering all important areas in Class 8 maths, with step-by-step solutions.
Perfect Mathematics Class 8 Solutions
- Author: S.K. Goyal
- Publisher: Perfect Publishers
- Content: This book is ideal for students who want to strengthen their problem-solving abilities. It provides clear solutions and covers topics like linear equations, quadratic equations, and geometrical constructions.
Goyal Brothers Prakashan Class 8 Mathematics
- Author: Goyal Brothers
- Publisher: Goyal Brothers Prakashan
- Content: This book features accurate solutions for all chapters, with a special emphasis on understanding formulas and applying them to real-world situations. It includes numerous exercises and review questions to test and enhance knowledge.
Schand Class 8 Maths Solutions
- Author: S. Chand
- Publisher: S. Chand Publishers
- Content: This comprehensive book includes solutions for all exercises in the prescribed syllabus. It is designed to help students grasp both theoretical and practical aspects of mathematics, with a focus on geometry and algebra.
Laxmi Publications Mathematics for Class 8
- Author: Laxmi Publications
- Publisher: Laxmi Publications
- Content: This book is a great reference for students of all skill levels. It offers detailed solutions for a wide range of topics, from number theory to coordinate geometry, and is equipped with additional questions for practice.
Saraswati Mathematics for Class 8
- Author: Saraswati
- Publisher: Saraswati Publications
- Content: This book is designed to make learning maths easier for students. It includes well-explained solutions to textbook exercises and additional problems to help students hone their skills in all key areas of the subject.
Pearson Class 8 Mathematics Solutions
- Author: Pearson Education
- Publisher: Pearson
- Content: Pearson’s solutions provide step-by-step explanations, focusing on making complex concepts like algebra and geometry more understandable. The book contains a variety of questions for practice, especially for concept revision.
Arihant Class 8 Maths Solutions
- Author: Arihant Experts
- Publisher: Arihant Publications
- Content: Arihant’s solutions cover a wide array of topics, including measurement, surface area, and volume. It is filled with a variety of solved and unsolved questions that help build a strong mathematical foundation.
Vikas Class 8 Mathematics
- Author: Vikas Publications
- Publisher: Vikas Publications
- Content: This book provides solutions for every exercise in the Class 8 maths textbook. It includes problems on all major topics such as algebra, geometry, and data handling, aimed at enhancing understanding.
R.S. Aggarwal Class 8 Mathematics
- Author: R.S. Aggarwal
- Publisher: S. Chand
- Content: This is a highly recommended book for developing a deep understanding of mathematics. It covers various mathematical concepts with precision and includes a variety of practical problems, model tests, and MCQs.
Maths Mate Class 8 Solutions
- Author: Pradeep Kumar
- Publisher: Maths Mate Publications
- Content: Maths Mate offers well-explained solutions and includes both solved and unsolved questions from the textbook. It also provides additional questions for practice and a special section on tips and tricks for problem-solving.
Oswal Publishers Mathematics for Class 8
- Author: Oswal Publishers
- Publisher: Oswal Publishers
- Content: This book includes solutions for all chapters, from rational numbers to mensuration. The focus is on building conceptual clarity with detailed solutions and ample practice exercises.
Maths Class 8 by L.N. Agarwal
- Author: L.N. Agarwal
- Publisher: L.N. Agarwal Publications
- Content: This book provides an in-depth explanation of Class 8 topics with well-detailed solutions. It includes various types of questions such as application-based, theoretical, and practical problems.

DAv Class 8 Maths Book Solutions have become an essential resource for students aiming to master mathematics. These solutions are designed to help students understand fundamental concepts and practice solving different types of problems. The book covers all topics included in the DAV curriculum, ensuring that learners get a solid grasp of each chapter.

The primary focus of the solutions is to simplify complex mathematical problems. Whether it’s algebra, geometry, or data handling, every concept is explained step-by-step with clear illustrations and practical examples. By going through the solutions, students not only find answers to textbook questions but also learn the method behind them. This helps them tackle similar problems in exams with confidence.

Each chapter starts with an overview of the concepts, followed by practice exercises and detailed solutions. The solutions include various types of problems such as multiple-choice questions, short-answer questions, and long-answer questions. These solutions aim to enhance a student’s problem-solving skills and analytical thinking, making them more prepared for their exams.

What sets these solutions apart is their user-friendly format. The language is simple and easy to understand, which helps in demystifying difficult concepts. The book ensures that students are not just memorizing formulas but are also learning how to apply them to real-world problems.

Additionally, the solutions include tips for exam preparation. These tips guide students on how to approach each topic, manage time during exams, and solve problems efficiently. It also encourages students to attempt different variations of problems, which improves their overall problem-solving ability.

Overall, the DAv Class 8 Maths Book Solutions provide a comprehensive and effective way to master maths. They serve as a perfect companion for students, whether they are aiming for school exams or preparing for competitive exams. These solutions are ideal for self-study, reinforcing classroom learning and making maths both fun and easy to understand.