CBSE Class 9 Maths Videos
Free Videos
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Work & days
This video covers an application on work and time
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Heredity and Evolution
Heredity and Evolution, Heredity and Variation
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Spherical lens and its power
This video describes the way to solve problems based on lens formula to cal...
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Refraction through lens
This video describes nature of image formed by partly covered lens
Number System
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Rational Numbers ...
Recall the concept of number line and discuss its importance in day to day...
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Irrational Numbers
This video explains how to differentiate between rational and irrational nu...
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Real Numbers
This video covers the definition of real numbers, difference between the ra...
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Laws of Exponents
This video explains the statement of the laws of exponents and simplify exp...
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Representation on Number Line
This video covers examples on graphical representation of whole numbers, in...
Polynomials
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Introduction to Polynomials
This video explains the definition of polynomial and related terms, identif...
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Remainder Theorem
Discuss various algebraic operations on Polynomials. Learn the statement a...
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Factorisation: Factor Theorem
This video explains the factorization of polynomials using Factor Theorem a...
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Algebraic Identities: Quadratic
Understand the Algebraic identities for quadratic Polynomials. Apply the i...
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Algebraic Identities: Cubic Type
Listing of algebraic identities for cubic Polynomials and simplify the comp...
Coordinate Geometry
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Cartesian Plane ...
This video explains the basic concepts of Coordinate Geometry, discusses qu...
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Concepts of Coordinate Geometry
Understand the basic concepts of Coordinate Geometry and discuss quadrants ...
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Basic concepts of Coordinate Geometry
Understand the basic concepts of Coordinate Geometry and discuss quadrants ...
Linear Equations in Two Variables
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Forming linear equations and two variables and solving ...
Forming of linear equations in two variables from real life situations, als...
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Solutions to Linear Equations
Find the solution of linear equations in two variables and practice proble...
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Representing Linear Equation in X and Y axes
Representing linear equation in both x and y axes and find solution of a pa...
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Formation of Linear Equations ...
This video explains the formation of linear equations in two variables from...
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Solutions to Linear Equations
Find the solution of linear equations in two variables and practice proble...
Introduction to Euclid's Geometry
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Introduction to Euclid's Geometry
This video explains Euclid's definitions, Axioms and Postulates and explain...
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Euclid’s Postulates
Learn Euclid's definitions, Axioms and Postulates. Understand two equivale...
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Axioms and Postulates in Euclid's geometry ...
Learn Euclid's definitions, Axioms and Postulates.
Lines and Angles
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Basic Concepts of Geometry
This video explains the basic geometrical concepts like line and angle, var...
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Transversals, interior and exterior angles made by them ...
Transversals, interior and exterior angles made by them with a pair of para...
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Angle Sum Property of A Triangle
Find the sum of the interior angles of a triangle. Establish the relation ...
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Parallel Lines and Co-Interior Angles ...
Parallel Lines & Co-Interior Angles
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Basic geometrical concepts
Basic geometrical concepts like line and angle, various types of angles & t...
Triangles
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Congruence Criteria: SAS and ASA
This video explains the congruence criteria of triangles through SAS and AS...
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Properties of Isosceles Triangle ...
Establish the relation between equal sides and angles in a triangle. Apply...
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Congruence Criteria: SSS and RHS ...
This video explains the proof of congruence of right triangles and discover...
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Relation between the sides and angles of a triangle ...
Relation between the length and measure of its opposite angle in a triangle...
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Congruence of geometrical figures
Congruence of geometrical figures. Establish the congruence criteria of tri...
Quadrilaterals
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About relation between opposite angles in a parallelogr ...
Relation between opposite angles in a parallelogram. Explore the conditions...
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Relation between the diagonals of a parallelogram ...
Establish the relation between the diagonals of the parallelogram. Conditio...
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Mid Point Theorem
This video explains the Mid - Point theorem and its converse for a triangle...
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Types and Angle Sum Property
. Definition of Quadrilateral & special quadrilaterals: rectangle, square,...
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Parallelograms: Basic Properties
Parallelograms:Basic Properties
Areas of Parallelograms and Triangles
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Concept of Area of Region
Concept of area of Geometrical figures. Geometrical figures on the same ba...
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Area related to Parallelograms
This video explains the relation between the area of two parallelograms, a ...
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Area of Triangles
This video explains that the areas of the triangles drawn on the same base ...
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Concept of area of Geometrical figures
Concept of area of Geometrical figures. Geometrical figures on the same bas...
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Relation between area of two parallelogram
Relation between the area of two parallelograms, a triangle and a parallelo...
Circles
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Introduction to Circles ...
Define circle and its parts like radius, diameter, centre, and chord. Diff...
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Concepts on angle subtended by a chord at a point ...
Define angle subtended by a chord at a point. Prove that equal chords subte...
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Properties of Equal Chords
This video explains the results on equal chords and their distance from the...
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Relation between angle subtended by an arc at centre an ...
Relation between angle subtended by an arc at centre & at any point on the ...
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Introduction to Circles ...
Define circle and its parts like radius, diameter, centre, and chord. Diff...
Geometric Constructions
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Construction of Triangles
This video explains the construction of a triangle given, its base and base...
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Basic Constructions
This video explains the construction of angle bisector and perpendicular bi...
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Construction of triangles
Construction of a triangle given: its base& base angle & sum/difference of ...
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Construction of angle bisector and perpendicular bisect ...
Construction of angle bisector and perpendicular bisector of a line. Constr...
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Construction of Triangles ...
This video explains the construction of a triangle given, its base and base...
Heron's Formula
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Concepts and problem solving based on Heron's formula ...
Introduction to Heron's formula and using the formula to find the area of s...
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Application of Heron's Formula
This video explains the derivation of the Heron's formula for the area of t...
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Heron's Formula concepts
Introduction to Heron's formula and using the formula to find the area of s...
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Heron's formula - derivation and problem-solving
Derivation of the Heron's formula for the area of triangle.. It's applicati...
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Heron's Formula: Exam Prep Strategies
Introduction to Heron's formula and using the formula to find the area of s...
Surface Areas and Volumes
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Surface Area of a Cylinder
Right circular cylinder and its radius , height. Solve problem related t...
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Surface Area of a Cone
Concepts related to right circular cone. Define slant height, height, radi...
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Surface Area of a Cube and Cuboid ...
Find the lateral and total surface area of a cube and a cuboids. Solve re...
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Surface Area: Sphere and Hemisphere ...
Surface Area: Sphere & Hemisphere
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Volume of A Cuboid
Understand the basic concepts related to the volumes of cuboids and cubes....
Statistics
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Grouping and Tabulation of Data
Meaning, origin & development of statistics, types of statistical data. Pr...
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Cumulative Frequency of a particular class-interval ...
Cumulative Frequency of a particular class-interval. Representation of data...
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Measures of Central Tendency
Explore the three main measures of central tendency, namely mean, median a...
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Grouping and Tabulation of Data ...
Meaning, origin & development of statistics, types of statistical data. Pr...
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Cumulative Frequency of a particular class-interval ...
Cumulative Frequency of a particular class-interval. Representation of data...
Probability
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Probability: Experimental Approach
Concept of mathematical experiment, associated terms like outcomes & event...
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Problems on Empirical Probability ...
Review the concept of experimental probability. Applications based on them...
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Probability: Experimental Approach
Concept of mathematical experiment, associated terms like outcomes & event...
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Problems on Empirical Probability
Review the concept of experimental probability. Applications based on them...
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Probability: Experimental Approach
Concept of mathematical experiment, associated terms like outcomes & event...
Free Videos
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Word Problem based on LCM and HCF ...
This video explains the use of LCM and HC in solving a word problem.
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Area of a shaded region ...
This video explains the Method of finding the Area of an equilateral triang...
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Budding in yeast
This video describe Budding in yeast.
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Fossils
This video explains the role of fossils in evolution.
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Movements in Plants
This video describe Movements in Plants.
Number System
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Exponents of real numbers - 1 ...
This video contains a question which is solved using law of exponents
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Exponents of real numbers - 2 ...
This video contains a question which is solved using law of exponents
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Irrational Numbers - 1
This video involves the question which proves a given number is irrational
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Irrational Numbers - 2
This video explains how to find the irrational numbers between two decimal ...
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Irrational Numbers - 3
This video contains a question which is solved using law of exponents
Polynomials
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Algebraic Identities: Quadratic ...
This video contains a question which is solved using square of binomials
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Factorisation using Square identity ...
This video explains factorisation using square identity
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Factor Theorem 1
This video contains a question which is solved using Factor theorem
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Factor Theorem 2
This video explain an application based problem on Factor theorem.
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Remainder Theorem
This video contains a question which is solved using Remainder theorem
Coordinate Geometry
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Coordinate Geometry - 1
This video explains a case study based question on finding the coordinat...
Linear Equations in Two Variables
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Appilcations based problem on Linear Equation in two va ...
This video explains how to form a linear equation using given statements an...
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Solution of a Linear Equation ...
This video explains how to find the solution of a linear equation
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Solution of Linear Equations in two variables graphical ...
This video explains how to draw the graph of a linear equation and to find ...
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Formation of Linear Equations
This video explains a case study based question on the formation of line...
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Solutions to Linear Equations
This video explains a case study based question on finding the solution ...
Introduction to Euclid's Geometry
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Parallel lines and Intersecting Lines ...
This video explains the proof of the given theorem which is based on Parall...
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Straight Line
This video explains an application based problem on a straight line.
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Mathematicians and their contributions-I
This video explains a case study based question based which tells us abo...
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Mathematicians and their contributions-II
This video explains a case study based question based which tells us abo...
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Mathematicians and their contributions-III
This video explains a case study based question based which tells us abo...
Lines and Angles
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Co-Interior Angles - 2
This video explains the solution of the given problem which is based on Pro...
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Angle Sum Property of a Triangle - 1 ...
This video contains a question which is solved using the interior angle pro...
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Angle Sum Property of a Triangle - 2 ...
This video covers the interior angle property of a triangle with the help o...
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Angle Sum Property of a Triangle - 3 ...
This video explains how to find the measurement of an interior angle by usi...
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Comlpementary and Supplementary Angles ...
This video explains an application based problem on Comlpementary and Suppl...
Triangles
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Properties of an Isosceles Triangle ...
This video solves a question based on the property of an isosceles triangle
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Properties of Isosceles Triangle ...
This video contains a question which is solved using the property of isosce...
Quadrilaterals
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Relation between Parallelogram and Triangle ...
This video explains the relation between the parallelogram and the triangle...
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Properties of a Parallelogram ...
This video contains a question which is solved using the property of a para...
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Use of Mid-point theorem
The video explains case study based type of question which is based on t...
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Properties of Parallelogram
The video explains case study based type of question which is based on t...
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Properties of quadrilateral
The video explains case study based type of question which is based on t...
Areas of Parallelograms and Triangles
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Application based problem on Quadrilateral ...
This video explains one of the applications of Quadrilateral with the help ...
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Area of a Parallelogram given its base and height ...
This video explains a case study question which make use of the formula ...
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Triangle and parallelogram lying on the same base and b ...
This video explains a case study question where a triangle and a paralle...
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Triangle and parallelogram lying on the same base and b ...
This video explains a case study question where a triangle and a paralle...
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Triangle and parallelogram lying on the same base and b ...
This video explains a case study question where a triangle and a paralle...
Circles
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Application based problem on a Circle -1 ...
This video contains a problem based on the concept of Circle and its Applic...
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Application based problem on a Circle -2 ...
This video contains a question based on the concept of Circle and its Appli...
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Cyclic Quadrilateral
This video explains an application based problem on Cyclic Quadrilateral.
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Exterior angle of a triangle ...
This video explains an application based problem on Exterior angle of a tri...
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Perpendicular from centre to chord ...
This video explains an application based problem on Perpendicular from cent...
Geometric Constructions
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Construction of a triangle given its base, base angle a ...
This video explains a case study based question which is based on the co...
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Construction of a triangle given its base, base angle a ...
This video explains a case study based question which is based on the co...
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Construction of a triangle given its two sides and angl ...
This video explains a case study based question which is based on the co...
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Construction of a triangle given its two angles and sum ...
This video explains a case study based question which is based on the co...
Heron's Formula
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Application of Heron's Formula - 1 ...
This video explains an application of Heron's Formula.
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Problem on Heron's Formula - 1 ...
This video explains an application of Heron's Formula.
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Problem on Heron's Formula - 2 ...
This video explains an application of Heron's Formula.
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Application of Heron's Formula - 2 ...
This video explains an application of Heron's Formula.
Surface Areas and Volumes
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Volume of a Cone
This video explain an application based problem on Volume of a Cone.
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Suface Area of a Cylinder
This video explain an application based problem on Total Suface Area of a C...
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Surface Area of Cube and Cuboid ...
This video explains how to find the height of the room if the other measure...
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Volume of a Cylinder
This video explain an application based problem on Volume of a Cylinder.
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Surface Area and volumes of a conical tent
This video explains a case study based question which is based on the co...
Statistics
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Frequency Polygon
This video explains how to draw frequency polygon
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Histogram
This video explains how to draw an histogram and finding the different valu...
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Cumulative Frequency Table(Less than type and More than ...
This video explains, how to prepare a Cumulative Frequancy Table (Less than...
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Mean
This video explains Mean of ungrouped data.
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Median
This video explains how to find the Median for given ungrouped data.
Probability
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Problem on probability - 1 ...
This video explains how to find the probability of the given event.
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Problem on probability - 2 ...
This video explains how to find the probability of the given event.
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Problem on probability - 3 ...
This video explains how to find the probability of the given event.
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Probability of an event of choosing a family from a gro ...
This video explains a case study based question which tells us to find t...
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Probability of choosing a family (out of a group of fam ...
This video explains a case study based question on finding probability o...