NCERT Solutions for Class 10 Maths – Free PDF Download
NCERT Solutions for Class 10 MathsÂ for all the exercises from Chapters 1 to 15 are provided here. These solutions are curated by our expert faculty to help students in their board exam preparations. Students looking for theÂ NCERT Solutions for Class 10 Maths can download all chapter-wise pdf to find a better approach to solve the problems.
The answers to the questions present in the NCERT books are undoubtedly the best study material a student can get hold of. These CBSE NCERT Solutions of Class 10 MathsÂ will also help students to build a deeper understanding of concepts covered in Class 10 Maths textbook. PractisingÂ the textbook questions will help students analyze their level of preparation and the knowledge of concepts. The solutions to these questions present in the books can help students to clear their doubts quickly.
- Chapter 1 Real Numbers
- Chapter 2 Polynomials
- Chapter 3 Pair of Linear Equations in Two Variables
- Chapter 4 Quadratic Equations
- Chapter 5 Arithmetic Progressions
- Chapter 6 Triangles
- Chapter 7 Coordinate Geometry
- Chapter 8 Introduction to Trigonometry
- Chapter 9 Some Applications of Trigonometry
- Chapter 10 Circles
- Chapter 11 Constructions
- Chapter 12 Areas Related to Circles
- Chapter 13 Surface Areas and Volumes
- Chapter 14 Statistics
- Chapter 15 Probability
The solution list comprises all the chapter-wise answers to the questions present in the NCERT Book for Class 10 Maths written in a very precise and lucid manner, maintaining the objective of textbooks. The students can refer to theÂ NCERT Solutions for Class 10 as their additional references and study materials. Practising textbook exercises will surely help the students in their preparation for the examination.
NCERT Class 10 Maths Chapters and Exercises
Chapter 1 – Real Numbers
In Chapter 1 of Class 10, students will explore real numbers and irrational numbers. The chapter starts with the Euclid’s Division Lemma which states that “Given positive integers a and b, there exist unique integers q and r satisfying a = bq + r, 0â‰¤r<b”. TheÂ Euclid’s Division algorithm is based on this lemma and is used to calculate the HCF of two positive integers. Then, the Fundamental Theorem of Arithmetic is defined which is used to find the LCM and HCF of two positive integers. After that, the concept of an irrational number, a rational number and decimal expansion of rational numbers are explained with the help of theorem.
Topics Covered:
Euclidâ€™s division lemma, Fundamental Theorem of Arithmetic – statements after reviewing work done earlier and after illustrating and motivating through examples, Proofs of irrationality of âˆš2, âˆš3, âˆš5 Decimal representation of rational numbers in terms of terminating/non-terminating recurring decimals.Â
Maths Class 10 NCERT Solutions PDF Chapter 1 Exercises |
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Exercise 1.1 – 5 Questions (4 Long Answers, 1 Short Answer) |
Exercise 1.2 – 7 Questions (4 Long Answers, 3 Short Answers) |
Exercise 1.3 – 3 Questions (3 Short Answers) |
Exercise 1.4 – 3 Questions (3 Short Answers) |
Chapter 2 – Polynomials
In Polynomials, the chapter begins with the definition of degree of the polynomial, linear polynomial, quadratic polynomial and cubic polynomial. This chapter has a total of 4 exercises including an optional exercise. Exercise 2.1 includes the questions on finding the number of zeroes through a graph. It requires the understanding of Geometrical Meaning of the Zeroes of a Polynomial. Exercise 2.2 is based on the Relationship between Zeroes and Coefficients of a Polynomial where students have to find the zeros of a quadratic polynomial and in some of the questions they have to find the quadratic polynomial. In Exercise 2.3, the concept of division algorithm is defined and students will find the questions related to it. The optional exercise, 2.4 consists of the questions from all the concepts of Chapter 2.
Topics Covered:
Zeros of a polynomial. Relationship between zeros and coefficients of quadratic polynomials. Statement and simple problems on division algorithms for polynomials with real coefficients.Â
Maths Class 10 NCERT Solutions PDF Chapter 2 Exercises |
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Exercise 2.1 – 1 Question (1 Short Answer) |
Exercise 2.2 – 2 Questions (2 Short Answers) |
Exercise 2.3 – 5 Questions (2 Short Answers, 3 Long Answers) |
Exercise 2.4 – 5 Questions (2 Short Answers, 3 Long Answers) |
Chapter 3 – Pair of Linear Equations in Two Variables
This chapter explains the concept of Pair of Linear Equations in Two Variables. This chapter has a total of 7 exercises, and in these exercises, different methods of solving the pair of linear equations are described. Exercise 3.1 describes how to represent a situation algebraically and graphically. Exercise 3.2 explains the methods of solving the pair of the linear equation through Graphical Method. Exercises 3.3, 3.4, 3.5 and 3.6 describe the Algebraic Method, Elimination Method,Â Cross-Multiplication Method,Â Substitution Method, respectively. Exercise 3.7 is an optional exercise which contains all types of questions. Students must practise these exercises to master the method of solving the linear equations.
Topics Covered:
Pair of linear equations in two variables and graphical method of their solution, consistency/inconsistency. Algebraic conditions for number of solutions. Solution of a pair of linear equations in two variables algebraically – by substitution, by elimination and by cross multiplication method. Simple situational problems. Simple problems on equations reducible to linear equations.Â
Maths Class 10 NCERT Solutions PDF Chapter 3 Exercises |
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Exercise 3.1 – 3 Questions (2 Short Answers, 1 Long Answer) |
Exercise 3.2 – 7 Questions (5 Short Answers, 2 Long Answers) |
Exercise 3.3 – 3 Questions (2 Short Answers, 1 Long Answer) |
Exercise 3.4 – 2 Questions (2 Long Answers) |
Exercise 3.5 – 4 Questions (4 Short Answers) |
Exercise 3.6 – 2 Questions (2 Long Answers) |
Exercise 3.7 – 8 Questions (1 Short Answer, 7 Long Answers) |
Chapter 4 – Quadratic Equations
In this chapter, students will get to know the standard form of writing a quadratic equation. The chapter goes on to explain the method of solving the quadratic equation through the factorization method and completing the square method. The chapter ends with the topic on finding the nature of roots which states that, a quadratic equation axÂ² + bx + c = 0 has
- Two distinct real roots, if bÂ² – 4ac > 0
- Two equal roots, if bÂ² – 4ac = 0
- No real roots, ifÂ bÂ² – 4ac < 0
Topics Covered:
Standard form of a quadratic equation ax^{2} + bx + c = 0, (a â‰ 0). Solutions of quadratic equations (only real roots) by factorization; and by using the quadratic formula. Relationship between discriminant and nature of roots. Situational problems based on quadratic equations related to day to day activities to be incorporated.
Maths Class 10 NCERT Solutions PDF Chapter 4 Exercises |
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Exercise 4.1 – 2 Questions (1 Short Answer, 1 Long Answer) |
Exercise 4.2 – 6 Questions (6 Short Answers) |
Exercise 4.3 – 11 Questions (8 Short Answers, 3 Long Answers) |
Exercise 4.4 – 5 Questions (2 Short Answers, 3 Long Answer) |
Chapter 5 – Arithmetic Progressions
This chapter introduces students to a new topic that isÂ Arithmetic Progression, i.e. AP. The chapter constitutes a total of 4 exercises. In Exercise 5.1, students will find the questions related to representing a situation in the form of AP, finding the first term and difference of an AP, finding out whether a series is AP or not. Exercise 5.2 includes the questions on finding out the nth term of an AP by using the following formula;
a_{nÂ }= a + (n-1) d
The next exercise i.e., 5.3, contains the questions on finding the sum of first n terms of an AP. The last exercise includes higher-level questions based on AP to enhance students’ analytical and problem-solving skills.
Topics Covered:
Motivation for studying Arithmetic Progression Derivation of the nth term and sum of the first n terms of A.P. and their application in solving daily life problems.Â
Maths Class 10 NCERT Solutions PDF Chapter 5 Exercises |
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Exercise 5.1 – 4 questions (1 Short Answer, 3 Long Answers) |
Exercise 5.2 – 20 questions (10 Short Answers, 10 Long Answers) |
Exercise 5.3 – 20 Questions (7 Short Answer, 13 Long Answers) |
Exercise 5.4 – 5 Questions (5 Long Answers) |
Chapter 6 – Triangles
In Chapter 6 of Class 10 CBSE Maths, students will study those figures which have the same shape but not necessarily the same size. The chapter starts with the concept of a similar and congruent figure. It further explains the condition for the similarity of two triangles and theorems related to the similarity of triangles. After that, the areas of similar triangles have been explained with a theorem. At the end of this chapter, the Pythagoras Theorem and converse of Pythagoras Theorem is described.
Topics Covered:
Definitions, examples, counter-examples of similar triangles.Â
- (Prove) If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.Â
- (Motivate) If a line divides two sides of a triangle in the same ratio, the line is parallel to the third side.Â
- (Motivate) If in two triangles, the corresponding angles are equal, their corresponding sides are proportional and the triangles are similar.Â
- (Motivate) If the corresponding sides of two triangles are proportional, their corresponding angles are equal and the two triangles are similar.Â
- (Motivate) If one angle of a triangle is equal to one angle of another triangle and the sides including these angles are proportional, the two triangles are similar.Â
- (Motivate) If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse, the triangles on each side of the perpendicular are similar to the whole triangle and to each other.
- (Prove) The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides.Â
- (Prove) In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides.Â
- (Prove) In a triangle, if the square on one side is equal to the sum of the squares on the other two sides, the angle opposite to the first side is a right angle.
Maths Class 10 NCERT Solutions PDF Chapter 6 Exercises |
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Exercise 6.1 – 3 Questions (3 Short Answers) |
Exercise 6.2 – 10 Questions (9 Short Answers, 1 Long Answer) |
Exercise 6.3 – 16 Questions (12 Short Answers, 4 Long Answers) |
Exercise 6.4 – 9 Questions (7 Short Answers, 2 Long Answers) |
Exercise 6.5 – 17 Questions (15 Short Answers, 2 Long Answers) |
Exercise 6.6 – 10 Questions (5 Short Answers, 5 Long Answers) |
Chapter 7 – Coordinate Geometry
In this chapter, students will learn how to find the distance between two points whose coordinates are given, and to find the area of the triangle formed by three given points. Along with this, students will also study how to find the coordinates of the point which divides a line segment joining two given points in a given ratio. For this purpose, students will get introduced to Distance Formula, Section Formula and Area of a Triangle in this chapter.
Topics Covered:
Review: Concepts of coordinate geometry, graphs of linear equations. Distance formula. Section formula (internal division). Area of a triangle.Â
Maths Class 10 NCERT Solutions PDF Chapter 7 Exercises |
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Exercise 7.1 – 10 Questions (3 Short Answers, 7 Long Answer) |
Exercise 7.2 – 10 Questions (2 Short Answers, 8 Long Answer) |
Exercise 7.3 – 5 Questions (2 Short Answers, 3 Long Answer) |
Exercise 7.4 – 8 Questions (3 Short Answers, 5 Long Answer) |
Chapter 8 – Introduction to Trigonometry
This chapter will introduce students to Trigonometry. They will study some ratios of a right triangle with respect to its acute angles, called trigonometric ratios of the angles. The chapter also defines the trigonometric ratios for angles of 0^{0} and 90^{0}. Further, students will also know how to calculate trigonometric ratios for some specific angles and establish some identities involving these ratios, called trigonometric identities.
Topics Covered:
Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios whichever are defined at 0^{o} and 90^{o}. Values of the trigonometric ratios of 300 , 450 and 600 . Relationships between the ratios.Â Proof and applications of the identity sin^{2}A + cos^{2}A = 1. Only simple identities to be given. Trigonometric ratios of complementary angles.Â
Maths Class 10 NCERT Solutions PDF Chapter 8 Exercises |
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Exercise 8.1 – 11 Questions (8 Short Answers, 3 Long Answers) |
Exercise 8.2 – 4 Questions (2 Short Answers, 2 Long Answers) |
Exercise 8.3 – 7 Questions (5 Short Answers, 2 Long Answers) |
Exercise 8.4 – 5 Questions (3 Short Answers, 2 Long Answers) |
Chapter 9 – Some Applications of Trigonometry
This chapter is the continuation of the previous chapter as here the students will study the applications of trigonometry. It is used in geography, navigation, construction of maps, determining the position of an island in relation to the longitudes and latitudes. In this chapter, students will see how trigonometry is used for finding the heights and distances of various objects, without actually measuring them. They will get introduced to the term line of sight, angle of elevation, angle of depression.
Topics Covered:
Simple problems on heights and distances. Problems should not involve more than two right triangles. Angles of elevation / depression should be only 30Â°, 45Â°, 60Â°.Â
Maths Class 10 NCERT Solutions PDF Chapter 9 Exercises |
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Exercise 9.1 – 16 Questions (16 Long Answers) |
Chapter 10 – Circles
In earlier classes, students have studied about a circle and various terms related to a circle such as a chord, segment, arc, etc. In this chapter, students will study the different situations that arise when a circle and a line are given in a plane. So, they will get thorough with the concept of Tangent to a Circle and Number of Tangents from a Point on a Circle.
Topics Covered:
Tangent to a circle at, point of contact.
- (Prove) The tangent at any point of a circle is perpendicular to the radius through the point of contact.Â
- (Prove) The lengths of tangents drawn from an external point to a circle are equal.
Maths Class 10 NCERT Solutions PDF Chapter 10 Exercises |
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Exercise 10.1 – 4 Questions (2 Short Answer, 2 Long Answers) |
Exercise 10.2 – 13 Questions (2 Short Answers, 14 Long Answers) |
Chapter 11 – Constructions
This chapter consists of a total of 2 exercises. Whatever students have learned about construction in earlier classes will also help them. In Exercise 11.1, students will study how to divide a line segment, whereas in Exercise 11.2 they will study the construction of tangents to a circle. Methods and steps for construction are explained and also some examples are additionally given to make it clearer to the students.
Topics Covered:
- Division of a line segment in a given ratio (internally).Â
- Tangents to a circle from a point outside it.Â
- Construction of a triangle similar to a given triangle.
Maths Class 10 NCERT Solutions PDF Chapter 11 Exercises |
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Exercise 11.1 – 7 Questions (7 Long Answers) |
Exercise 11.2 – 7 Questions (7 Long Answers) |
Chapter 12 – Areas Related to Circles
This chapter begins with the concepts of perimeter and area of a circle. Using this concept, the chapter further explains how to find the area of sector and segment of a circular region. Moreover, students will get clarity on findingÂ the areas of some combinations of plane figures involving circles or their parts.
Topics Covered:
Motivate the area of a circle; area of sectors and segments of a circle. Problems based on areas and perimeter/circumference of the above-said plane figures. (In calculating the area of a segment of a circle, problems should be restricted to the central angle of 60Â°, 90Â° and 120Â° only. Plane figures involving triangles, simple quadrilaterals and circles should be taken.)
Maths Class 10 NCERT Solutions PDF Chapter 12 Exercises |
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Exercise 12.1 – 5 Questions (5 Short Answers) |
Exercise 12.2 – 14 Questions (9 Short Answers, 5 Long Answers) |
Exercise 12.3 – 16 Questions (9 Short Answers, 7 Long Answers) |
Chapter 13 – Surface Areas and Volumes
In Chapter 13, there are a total of 5 exercises. The first exercise consists of the questions based on finding the surface area of an object formed by combining any two of the basic solids, i.e cuboid, cone, cylinder, sphere and hemisphere. In Exercise, 13.2 questions are based on finding the volume of objects formed by combining any two of a cuboid, cone, cylinder, sphere and hemisphere. Exercise 13.3 deals with the questions in which solid is converted from one shape to another. Exercise 13.4 is based on finding the volume, curved surface area and total surface area of a frustum of a cone. The last exercise is optional and has high-level questions based on all the topics of this chapter.
Topics Covered:
- Surface areas and volumes of combinations of any two of the following: cubes, cuboids, spheres, hemispheres and right circular cylinders/cones. Frustum of a cone.Â
- Problems involving converting one type of metallic solid into another and other mixed problems. (Problems with combinations of not more than two different solids are taken).
Maths Class 10 NCERT Solutions PDF Chapter 13 Exercises |
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Exercise 13.1 – 9 Questions (2 Short Answers, 7 Long Answers) |
Exercise 13.2 – 8 Questions (1 Short Answer, 7 Long Answers) |
Exercise 13.3 – 9 Questions (9 Long Answers) |
Exercise 13.4 – 5 Questions (5 Long Answers) |
Exercise 13.5 – 7 Questions (7 Long Answers) |
Chapter 14 – Statistics
Here, students will learn the numerical representation of ungrouped data to grouped data and finding theÂ Mean, Mode and Median. Also, the concept of cumulative frequency, cumulative frequency distribution and how to draw cumulative frequency curves will be explained.
Topic Covered:
Mean, median and mode of grouped data (bimodal situation to be avoided). Cumulative frequency graph.Â
Maths Class 10 NCERT Solutions PDF Chapter 14 Exercises |
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Exercise 14.1 – 9 Questions (9 Long Answers) |
Exercise 14.2 – 6 Questions (6 Long Answers) |
Exercise 14.3 – 7 Questions (7 Long Answers) |
Exercise 14.4 – 3 Questions (3 Long Answers) |
Chapter 15 – Probability
The last chapter deals with Probability. The chapter starts with the theoretical approach of probability. Subsequently, the chapter explains the difference betweenÂ experimental probability and theoretical probability. There are various examples given toÂ explain it in an effective way. So, before going through the exercise problems students must solve the examples of CBSE Maths first.
Topic Covered:
Classical definition of probability. Simple problems on finding the probability of an event.
Maths Class 10 NCERT Solutions PDF Chapter 15 Exercises |
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Exercise 15.1 – 25 Questions (22 Short Answers, 3 Long Answers) |
Exercise 15.2 – 5 Questions (5 Short Answers) |
CBSE Class 10 Maths Exam Pattern 2020-2021
The Central Board of Secondary Education conducts the CBSE Class 10 Maths Exam for a total of 100 marks where 80 marks are allocated to the theory paper and 20 marks for internal assessment. By going through the CBSE Maths exam pattern 2020-2021 for Class 10, students can understand how the marks are awarded to every answer, based on the steps. The board releases the sample paper and marking scheme before the board exam each year so that students can get well versed with the exam pattern and question paper design. Students who are appearing for the exams must go through the Marking Scheme 2020-2021. According to the CBSE revised pattern, 25% of questions from theory paper are objectiveÂ questions. While the number of questions has increased, marks per question have been reduced, converting maximum questions to objective types or very short answer type. Here, you can find the CBSE Class 10 Maths Exam pattern.
CBSE Class 10 Maths (Basic and Standard Paper) Marking Scheme | |||
Sections | No. of Questions | Marks per Question | Total Marks |
Section A | 20 Questions | 1 Mark | 20 |
Section B | 6 Questions | 2 Marks | 12 |
Section C | 8 Questions | 3 Marks | 24 |
Section D | 6Â Questions | 4 Marks | 24 |
Total | 40 Questions | 80 |
CBSE Class 10 Chapter-wise marks weightage
Every year the board releases the sample paper and chapter-wise marks weightage before the board exam so that students get well versed with the exam pattern and question paper design. The marking scheme for the exam 2020-2021 is released by the CBSE on the official site. Here, you can find the CBSE Class 10 Chapter-wise marks weightage according to the previous year question papers.
Unit | Marks |
1. Number System | 06 |
2. Algebra | 20 |
3. Coordinate Geometry | 06 |
4. Geometry | 15 |
5. Trigonometry | 12 |
6. Mensuration | 10 |
7. Statistics | 11 |
Total Marks | 80 |
Question Paper Design- Standard Maths and Basic Maths
MATHEMATICS â€“ Standard Question Paper Design Class X (2020-2021)
Time â€“ 3 hours
Max. Marks – 80
Sl. No. | Typology of Questions | Total Marks | Percentage weightage (approx.) |
1 | Remembering: Having memory of previously studied materials by terms, answers, basic concepts and recalling facts.
Understanding: Show understanding of ideas by comparing, organizing, interpreting, translating, describing and stating main ideas |
43 | 54 |
2 | Applying: Solve problems to situations by applying the learnt facts, knowledge, rules and techniques in various ways. | 19 | 24 |
3 | Analysing: Examine the information into parts by recognizing the causes. Make inferences and find evidence to support generalizations
Evaluating: Present opinions by making judgments about the validity of ideas, information or quality of work based on a set of criteria. Creating: Combine information in a different way by grouping elements in a new pattern or creating alternative solutions |
18 | 22 |
Total | 80 | 100 |
Internal Assessment | 20 Marks |
Pen Paper Test and Multiple Assessment (5+5) | 10 Marks |
Portfolio | 05 Marks |
Lab Practical (Lab activities to be done from the prescribed books) | 05 Marks |
MATHEMATICS â€“ Basic Question Paper Design Class X (2020-2021)
Time â€“ 3 hours
Max. Marks – 80
Sl. No. | Typology of Questions | Total Marks | Percentage weightage (approx.) |
1 | Remembering: Having memory of previously studied materials by terms, answers, basic concepts and recalling facts.
Understanding: Show understanding of ideas by comparing, organizing, interpreting, translating, describing and stating main ideas |
60 | 75 |
2 | Applying: Solve problems to situations by applying the learnt facts, knowledge, rules and techniques in various ways. | 12 | 15 |
3 | Analysing: Examine the information into parts by recognizing the causes. Make inferences and find evidence to support generalizations
Evaluating: Present opinions by making judgments about the validity of ideas, information or quality of work based on a set of criteria. Creating: Combine information in a different way by grouping elements in a new pattern or creating alternative solutions |
8 | 10 |
Total | 80 | 100 |
Internal Assessment | 20 Marks |
Pen Paper Test and Multiple Assessment (5+5) | 10 Marks |
Portfolio | 05 Marks |
Lab Practical (Lab activities to be done from the prescribed books) | 05 Marks |
Benefits ofÂ NCERT Solutions Class 10 Maths:
The Class 10 NCERT Maths solutions given here in PDFs have several benefits which include:
- The solutions given here are very easy to understand.
- Solutions are provided in steps for better understanding.
- Diagrams are given to help the students in visualizing the solutions.
- All the questions from each chapter are covered.
Students are advised to prepare all the chapters covered in the solution modules, which will eventually help them to gain a deeper knowledge of concepts. For effective preparations, it is essential for students to understand all the steps provided in the solutions.
How are CBSE 10 Maths Solutions of NCERT Helpful for Board Exams?
CBSE Class 10 Maths is an important subject for students. Here, we have provided complete assistance to students for its preparation. Class 10 is the first benchmark for any student that will reflect in the future records of achievement. CBSE always prescribes the NCERT books for board exam preparation.
Exam preparation is a rigorous process that requires an overall understanding of individual chapters. This process demands hard work towards studies and an effective approach to getting through the solutions. This significant role is played by Class 10 Maths NCERT solutions to equip students in the preparation of competitive entrance exams. NCERT books are best known for putting forth the concepts in a simple way for better understanding. NCERT Class 10 Books for Mathematics are written in the most lucid and clear manner that helps to break the complex problems in the most efficient way.
Keep visiting to get complete chapter-wise solutions in PDF for all the classes. Students can also find the NCERT Solutions for Class 10 Science, at BYJU’S. Students can download BYJU’S App to get a personalized learning experience and prepare for the exams more effectively.
Frequently Asked Questions on NCERT Solution for Class 10 Maths
Where to download NCERT Solutions for Class 10 Maths?
The NCERT Solutions for Class 10 Maths can be referred to online as well as downloaded from the BYJUâ€™S website. The detailed answers for all the questions present in the NCERT textbook of Class 10 Maths are solved by subject experts at BYJUâ€™S, as per the NCERT guidelines.
How many chapters are present in NCERT Class 10 Maths?
A total of 15 chapters are present in the NCERT Class 10 Maths. Chapter 1- Real Numbers, Chapter 2- Polynomials, Chapter 3- Pair of Linear Equations in Two Variables, Chapter 4- Quadratic Equations, Chapter 5- Arithmetic Progressions, Chapter 6- Triangles, Chapter 7- Coordinate Geometry, Chapter 8- Introduction to Trigonometry, Chapter 9- Some Applications of Trigonometry, Chapter 10- Circles, Chapter 11- Constructions, Chapter 12- Areas Related to Circles, Chapter 13- Surface Areas and Volumes, Chapter 14- Statistics, Chapter 15- Probability are the Chapters in Class 10 Maths NCERT.
Which is the best resource for Class 10 board exam preparation?
NCERT books are undoubtedly the best resource for CBSE board exam preparation. But then again, simply mugging up the concepts given in the NCERT books a few weeks before the exams will help the students with nothing. Students should be thorough with the NCERT Solutions well ahead of the board exam, giving them ample time to practice more questions from other reference books such as RS Aggarwal, RD Sharma etc. Students can now move ahead and solve the sample papers as well as previous year question papers to get an idea of the question paper pattern.
Which is the official website for NCERT?
http://ncert.nic.in/ is the official website of NCERT. The NCERT provides various study materials like textbooks, syllabus and much more to help the students as well as teachers.
What is meant by a pair of linear equations in two variables?
An equation in the form of ax+by+c, where a,b and c are real numbers and a,b are not equal to zero, is called a linear equation in two variables. Whereas in pairs of linear equations in two variables, we deal with two such equations. The solution of such equations is a point on the line representing the equation. This topic is widely explained in Class 10 Maths Chapter 3. Find the solutions to the questions given in the NCERT textbook at BYJUâ€™S.