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CLASS-X Course Details

Subject No. of Chapters No. of Lectures Taught Solved Problems No. of Hours
Maths 15 456 835 90

CLASS X Syllabus
Real Number
Introduction on real number, Division Lemma and Algorithm
Problems on Division Lemma and Algorithm
Fundamental Theorem of Arithmetic and its Problems
Relation between HCF and LCM of three numbers and its Problems
Rational and Irrational numbers, Theorems and Examples
Decimal Expansion of Rational Numbers
Polynomial in one variable, Degree of Polynomial
Value of Polynomial, Zero of Polynomial
Graph of Linear Polynomial
Graph of Quadratic  Polynomial
Graph of Cubic Polynomial
Relation Between Zeros and Coefficient
Relation Between Zeros and Coefficient of a cubic polynomial
Division Algorithm for Polynomials 
Algebraic Identities
Pair of Linear Equations in Two Variables
Linear Equations in one variable and their graphs in cartesian plane
Pair of Linear Equations in two variables
Graphical Representation for a pair of linear Equations in two variables
Consistency of Pair of Linear Equations
Solving a pair of linear equations: Substitution method
Solving a pair of linear equations: Elimination method
Solving a pair of linear equations: Cross Multiplication method, and its Problems
Reducing to Linear Equations, examples
Quadratic Equations
Introduction and Problems
Solution of Quadratic equation by Factor Method
Solution of Quadratic equation by completing the square
Solution of Quadratic equation using Quadratic Formula
Nature of Roots of quadratic equation and problems
Arithmetic Progressions
Introduction of Sequence
Introduction of Arithmetic Progression
Nth Term of A.P.
Sum of n terms of A.P.
Line/Angle Revision 
Triangle Revision 
Quadrilateral Revision 
Area Revision 
Congruent and similar figures and its Problems
Basic Proportional Theorem
Converse of Basic Proportional Theorem and Example
Similar triangles, theorems, criteria
Area Theorem
Coordinate Geometry
Cordinate system in plane, distance formula
Section Formula
Area of Triangle
Introduction to Trigonometry
Introduction, Trigonometric Ratios, Relation between Trigonometric Ratios
Values of Trigonometric Ratios of angle 45 Degree
Values of Trigonometric Ratios of angle 30-60 Degree
Values of Trigonometric Ratios of angle 0-90 Degree
Trigonometric Ratios of Complementary Angles
Identities and Trigonometric Identities
Some Applications of Trigonometry
Application of trigonometry, line of sight, angle of elevation, angle of depression
Revision of Class IX
Intersection of a line and a circle in a plane
Theorem : Tangent to a Circle and Converse
Number of Tangent from a point on a circle, theorem of Tangent from External Point
Problems based on Construction
Area Related to Circle
Perimeter and Area of Circle and its Problems
Area of Sector and Segment of a Circle
Surface Area and Volumes
Revision of Class IX
Frustum of a Cone
Area and volume of frustum
Mean of raw data, mean of ungrouped and grouped frequency distribution
Mode of Grouped Data
Median, median of ungrouped data
Median of grouped frequency distribution
Graphical representation of cumulative frequency distribution
Probability, Sample Space, Sample Point, Random Experiments
Probability Definition
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Studying with TopChalks was the best part of my Class X preparation. I scored 100 marks in Maths.
Neeraj Kumar, Class XI Studying
DAV Public School, Rohtak
Class-X Instructor

Mr. S C Goel, Math

Mr. S C Goel

Mr. S.C. Goel is the former principal and HOD, Maths, at Air Force Bal Bharati School, Lodhi Road, New Delhi and he has over 30 years..

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Mr. Sajid Hussain

Mr. Sajid Hussain is the HOD Physics at Delhi Public School, Maruti Kunj, Gurgaon. Take a look at any one of his lectures from any physics chapter of your choice. You will realize that there is no need to be afraid of Physics. He has made Physics an easy subject for numerous students, who have performed extremely well in the Board exams and also captured seats in top engineering and medical colleges throughout India. Mr. Sajid Hussain can do the same for you. He is a M.Sc. (Physics) graduate from AMU with 15 years of teaching experience and has been associated with top notch schools throughout his career. At Delhi Public School, Maruti Kunj, his students have consistently graduated with top marks in Physics. Some of his students travel hundreds of kilometers just to be tutored by him. Mr. Sajid Hussain has achieved these extraordinary results by simplifying what others seem to believe as difficult concepts to grasp. Take a look at a number of his sample lessons to see how he makes Physics easy for a student to learn.

Come, experience effortless learning of Physics...- Mr. Sajid Hussain,HOD Physics, Delhi Public School, Maruti Kunj, Gurgaon.

Mr. Shachindra Sharma

Mr. Shachindra Sharma (M.Sc. Delhi University, B.Ed. and CSIR Fellow) is one of the most popular, innovative and result oriented Chemistry teacher. He is working as a senior faculty (Dy. HOD) of Chemistry at Delhi Public School, R.K. Puram; India's Premier institution. For the last 18 years he has taught thousands of students in India and abroad. His simple but unique method of teaching has made Chemistry an easy to understand and high scoring subject. His students have been top achievers not only in the Board exams but also in many of the competitive tests conducted by top Engineering, Medical and other famous Universities of the world. Mr. Sharma's long cherished dream of making quality teaching available to the needy students is now a realty with He has prepared each lesson carefully, leisurely over a long period of time without any time pressure or constraints. At his lessons facilitate the students to learn Chemistry in the most relaxed atmosphere. These lessons are available online, 24 x 7, for the students to use at their discretion.

If it has done wonders for thousands of students, why not YOU...- Shachindra Sharma,Dy. HOD, Chemistry, Delhi Public School, R.K. Puram

Mr. S C Goel

Mr. S.C. Goel is the former principal and HOD, Maths, at Air Force Bal Bharti School, Lodhi Road, New Delhi and he has over 30 years of experience teaching Maths. He has made his students excel in Maths by relating it to analogies and events in day to day life. He is proud of the fact that his students are not only super achievers in Board Exams but many of them are also rankers in competitive exams such as IIT-JEE. In his course at, Mr. Goel has extensively covered every concept of XII Board Maths and regardless of where the student is in his/her preparation, Mr. Goel's lessons will assist the student in boosting his/her performance and confidence to significantly higher level. He has explained the concepts, problems and solutions in a number of different ways, in order to ensure that every level of student benefits from his teaching. The student can be assured that he/she will be extremely well prepared to score high on the XII Board Maths exam.

Let's make Math simpler...
- S. C. Goel,Former-Principal, Air Force Bal Bharti School - New Delhi

Mrs. Poonam Jubbal

Mrs. Poonam Jubbal is a highly trained and experienced educationist in the field of Biology with a B.Sc. and M.Sc. in Zoology and M.Ed. in education. She was a topper at Hindu College in her B.Sc. and M.Sc. exams with a 7th rank in Delhi University in the B.Sc. exam. Teaching Biology is her passion. She has taught Biology for the last 25 years at top schools like Delhi Public School and other premier institutes like Aakash. Many of her students today are accomplished Doctors, Scientists and Scholars. She has perfected a way to help students learn Biology in a systematic way, one that produces excellent results. Take a look at her sample lessons to see for yourself why she is such a sought after instructor.

Decipher the DNA of Biology...- Poonam Jubbal,Founder Teacher, DPS Faridabad - NCR


MATHS | By Mr.Goel,Air Force Bal Bharati School, New Delhi


Abhilash AIR-29, IIT-JEE’2010
Vaibhav Satavan AIR-62, IIT-JEE’2010
Harshit Sihara AIR-2, AIEEE;AIR-97, IIT-JEE’2010
Smriti Irani AIR 584, IIT-JEE’2010
Nitika 36th Rank, DPMT
Harshit Sihara AIR-2, AIEEE’2010;AIR-97, IIT-JEE’2010
Srinidhi K VAIR-871, IIT-JEE’2010;State rank-22, AIEEE’2010
Nikhil 75th Rank,DPMT’2010
Apeksha Nimbadia PCM-95% Class XII, Birla Vidya Niketan, Delhi
Maniya Saini 87% Class XII, Army Public School, Gurdaspur, Punjab
Upama Mittal 90% Class XII, DPS, Mathura Road, Delhi
Shwetabh P Pranwit Class XII, Don Bosco School, Delhi 90.2%
Nirmal Roul Class XII-92%
Hardeek Kambli Class XII-91%
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