Maths book by Gagan Pratap Sir

Math formula book by Gagan Pratap Sir.
This book contains following Chapters.
1. Table of Symbols
2. Geometry (Line & Angle)
3. Types of Triangles
4. Area side properties
5. Similarity of triangles
6. Congruency of triangle
7. Centre of Triangle
8. Circumcentre and Orthocentre
9. Centroid
10. Equilateral triangle
11. Right angle Triangle
12. Square and Rectangle
13. Parallelogram, Rhombus, Trapezium
14. Circle
15. Co-ordinate Geometry
16. Two Dimension Mensuration
17. Polygon
18. Three Dimension Mensuration
19. Number system
20. Divisibility Rules
21. Remainder Theorem
22. Number of Factors
23. Sequences and Series
24. LCM & HCF
25. Calculation & simplification
26. Surds & Indices
27. Algebra
28. Theory of Equations
29. Trigonometry
30. Maxima & Minima
31. Height & Distance
32. Percentage
33. Profit & Loss
34. Discount
35. Simple interest
36. Compound interest
37. Ratio & Proportion
38. Mixture & Alligation
39. Partnership
40. Average
41. Time & Work
42. Pipe & Cistern
43. Time, Speed & Distance
44. Boat & Stream
45. Race
46. Permutation & Combinations
47. Probability
48. Statistics
49. Clock
50. Calendar