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Now, more than a quarter of a century later, with the ever changing environment of examinations, the book too reinvents itself while being resolute to its core concept of providing the best content with easily understandable solutions. Key Feature: The book is more comprehensive than ever before with more than questions supported with answers and solutions—a hallmark of Quantitative Aptitude. Chapters begin with easy-to-grasp theory complemented by formulas and solved examples. They are followed by a wide-ranging number of questions for practice. With questions memory based from examinations up till year , the book captures the latest examination patterns as well as questions for practice.
It explains what Linear Equations In Two Variables means and the different forms by which linear equations can be represented, for example, intercept form, matrix form, slope-intercept form, etc.
The chapter also shows how the general format of a linear equation in two variables can be represented and how the linear equation can be written.
There are 11 exercises at the end of the chapter for the students to solve and get a grasp on the subject. Chapter 4 — Triangles This is an important chapter as it explains everything about triangles, an important subject in geometry. The chapter explains what a triangle actually is and how it can be primarily classified on the basis of the length of the sides or by the internal angles that are formed. There are three exercises on triangles at the end of the chapter that can help the students understand the concepts and formulas well.
This chapter explains what trigonometric ratios are and how they can be calculated using the hypotenuse and the two shorter sides of a triangle. The chapter also explains how by using the Pythagorean theorem of a right-angled triangle, a relationship between the sides and the angles of a triangle can be established. The six major trigonometric ratios are also discussed in the chapter along with an exercise.
Besides mentioning the definition of trigonometric ratios, the chapter discusses some of the particular angles, which are 0, 60, 30, etc.
The chapter also explains how to construct an entire tabular column of all the trigonometric ratios of different angles by calculating all the angles of a particular ratio. Students must pay special attention to trigonometric ratios of these angles because it helps to solve trigonometric problems in mathematics without any hassle.
Chapter 7 — Mean Median Mode This is an important chapter for Class 10 students studying maths because it discusses a very important concept of mathematics — the mean, median, and mode.
The chapter clearly defines the meaning of mean, median, and mode so that students know what is what and can clearly distinguish between the three. Students are also taught how to calculate the mean, median and mode as knowing how to calculate them will help students make calculations from a grouped set of data. There are four exercises in this chapter for the students to clear their concepts.
Chapter 8 — Trigonometric Identities The 8th chapter discusses trigonometric identities. Students are explained how trigonometric identities helps to establish a relationship between different trigonometric functions. The chapter also mentions how the inverse of a few identities is equal to the sum of the trigonometric identities.
Chapter 9 - Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive This chapter goes further with the details of mean, median, and mode and is an important chapter for students. The mean of some grouped data can be defined as the sum of all the numbers in a group divided by how many numbers are present in a group. The chapter explains that the mean of some grouped data can be defined as the sum of all the numbers in a group divided by how many numbers are present in a group.
Knowing how to calculate the mean, median and mode will help students make calculations from a grouped set of data. The chapter defines quadratic equations as a mathematical equation where x represents an unknown value, with certain known numbers and not quadratic in nature.
Further, in the chapter, students are told how different types of coefficients like Linear coefficient, etc. Some of the major methods of solving quadratic methods are also listed in the chapter. Eight exercises are mentioned at the end of the chapter to help students understand the concept of Quadratic Equations. Chapter 11 — Arithmetic Progressions This chapter explains how an arithmetic sequence is a simple progression of numbers and where the difference between the consecutive terms is constant.
The chapter also discusses arithmetic series and how when a progression has a finite amount of numbers, they are called finite arithmetic progressions and when there is a sequence with an infinite set of numbers, it is called an infinite set of progressions.
There are seven exercises in the chapter where students can solve the problems and understand the concept better. Chapter 12 — Circles Circles are an important subject in mathematics and students preparing for board examinations must pay special attention to this chapter.
The chapter mentions the history of circles and defines the meaning of a circle and some of the various terms that are associated with it like radius, arc, circumference, diameter, etc. Understanding the equations, the area enclosed, the circumference of length, and tangent lines are some of the important concepts of a circle that have been discussed in this chapter.
There is an exercise at the end of the chapter for students to master the concept of circles. Visitor Kindly Note: EasyEngineering team try to Helping the students and others who cannot afford downloading books is our aim. Thank you. Kindly Note: If you face above Download Link error try this Link. Thank you for visiting my thread. Hope this post is helpful to you. Have a great day!
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