Class 9 > MATHEMATICS
1.0. OPERATION OF SETS
1.0. PROBLEMS ON OPERATION OF SETS
1.0. CADINALITY OF SETS
1.0. PROBLEMS ON CARDINALITY OF SETS
2.0. INTRODUCTION TO PROFIT AND LOSS
2.0. PROBLEMS RELATED TO PROFIT AND LOSS
3.0. COMMISSION
3.0. TAX
3.0. DISCOUNT
3.0. COMMISSION AND TAX - DIVIDEND
4.0. ENERGY BILLING RULES
4.0. ENERGY BILL CALCULATION
4.0. WATER BILL CALCULATION
4.0. RULES OF TELEPHONE CHARGE AND BILL CALCULATION
4.0. TAXI BILLS
5.0. INTRODUCTION TO AREA AND AREA OF PATHWAYS - 1
5.0. AREA OF PATHWAYS - 2
5.0. COST OF PLASTERING
5.0. AREA OF FOUR WALLS AND CEILING
5.0. PROBLEMS ON AREA OF FOUR WALLS AND COSTING
6.0. AREA AND VOLUME OF SOLID OBJECTS ( CUBOID AND PRISM)
6.0. PROBLEMS RELATED TO AREA AND VOLUME OF SOLID OBJECTS
6.0. COST RELATED TO VOLUME
7. Cylinder and sphere
8. Sequence and series
9. Factorization
10.0. HCF AND LCM
11.0. SUBSTITUTION METHOD TO SOLVE LINEAR EQUATION
11.0. ELIMINATION METHOD TO SOLVE LINEAR EQUATION
11.0. GRAPHICAL METHOD TO SOLVE LINEAR EQUATION
12.0. BASIC RULES ON INDICES
12.0. EXPONENTIAL EQUATION
13.0. INTRODUCTION AND THE SUM OF ANGLES OF ANY TRIANGLE IS EQUAL TO TWO RIGHT ANGLES.
13.0. EXTERIOR ANGLES OF A TRIANGLE IS EQUAL TO SUM OF TWO OPPOSITE INTERIOR ANGLES
13.0. THE PERPENDICULAR DRAWN FROM THE VERTEX OF A ISOSCELES TRAINGLE BISECTS THE ANGLE .
13.0. CONDITION FOR CONGRUENCY & BASE ANGLES OF AN ISOSCELES TRIANGLES ARE EQUAL
13.0. SIDES OPPOSITE TO EQUAL ANGLES OF A TRIANGLE ARE EQUAL & BISECTOR THEOREM
13.0. MID-POINTS OF ANY TWO SIDES OF A TRIANGLE IS PARALLEL TO THE THIRD SIDE
13.0. PROBLEMS RELATED TO TRIANGLE THEOREM
14. Quadrilateral
15.0. CONSTRUCTION OF QUADRILATERALS
15.0. CONSTRUCTION OF RECTANGLE
15.0. CONSTRUCTION OF PARALLELOGRAM - 1
15.0. CONSTRUCTION OF PARALLELOGRAM - 2
15.0. CONSTRUCTION OF RHOMBUS
16.0. EQUAL CHORDS ARE EQUIDISTANCE FROM CENTRE
16.0. PROBLEMS RELATED TO CIRCLE THEOREM
17. Classification and presentation of data
18. Measures of central tendency
19.0. INTRODUCTION TO PROBABILITY
19.0. PROBABILITY SCALE AND EMPIRICAL SCALE
20.0. INTRODUCTION TO TRIGNOMETRY
20.0. TRIGNOMETRIC RATION OF STANDARD ANGLES
20.0. PROBLEMS RELATED TO TRIGONOMETRIC RATIOS
108.0. INTRODUCTION TO STATISTICS AND LINE GRAPH
108.0. HOW TO DRAW PIE CHART?
108.0. HISTOGRAM
108.0. HOW TO DRAW OGIVE CURVE?
108.0. MEAN
108.0. MEDIAN , MODE AND QUARTILES
111.0. SOLUTION OF QUADRATIC EQUATION BY METHOD OF FACTORIZATION
111.0. SOLUTION OF QUADRATIC EQUATION BY THE METHOD OF COMPLETING SQUARE
111.0. SOLUTION OF QUADRATIC EQUATION BY USING FORMULA
113.0. INTRODUCTION TO PARALLELOGRAM
113.0. IF THE OPPOSITE ANGLES OF A QUADRILATERAL ARE EQUAL, THEN IT IS A PARALLELOGRAM
113.0. THE DIAGONALS OF PARALLELOGRAM BISECT EACH OTHER
113.0. PROBLEMS RELATED TO PARALLELOGRAM
113.0. MISCELLANEOUS PROBLEMS FROM TRIANGLES AND PARALLELOGRAMS
115.0. INTRODUCTION TO SIMILARITY
115.0. PROBLEMS RELATED TO SIMILARITY
115.0. PYTHAGORAUS THEOREM
1009.0. RATIO,ITS TYPE AND PROBLEMS ON RATIO
1009.0. PROPORTION AND ITS PROPERTIES
1009.0. CONTINUED PROPORTION
PROPORTION AND ITS PROPERTIES
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