4. Exponents
7. Percentage
10.1.4.1. Multiplication of Monomials
10.1.4.4. Multiplication of Binomials
10.1.4.5. Multiplication of two Polynomials
10.1.6. Some Special Identities
12. Factorization
14. Geometry
15. Graphs
16. Mensuration
19. Probability
20. Data Handling