2. Arithematic
2.1. Numbers
2.3. Fractions
2.4.1. Finding Factors of a Number
2.4.5. Tests of Divisibility
2.4.5.1. Test Divisibility by 2
2.4.5.2. Test Divisibility by 3
2.4.5.3. Test Divisibility by 4
2.4.5.4. Test Divisibility by 5
2.4.5.5. Test Divisibility by 6
2.4.5.6. Test Divisibility by 7
2.4.5.7. Test Divisibility by 8
2.4.5.8. Test Divisibility by 9
2.4.5.9. Test Divisibility by 10
2.4.5.10. Test Divisibility by 11
2.4.7. HCF and LCM
2.5. Decimals
2.6. Unitary Method
2.7. Rounding Numbers
2.8. Percentage
2.9. Profit and Loss
2.10. Simple Interest
2.12. Mensuration
2.13. Time
2.14. Data Interpretation