0. Number System and Rapid Methods of Calculation 1. Approximation 2. Contracted Method of Multiplication 3. Contracted Method of Division 4. Decimalisation 5. Ratio and Proportion 6. Table of Nine Value 7. Chain Rule 8. Percentage 9. Discount 10. Commission and Brokerage 11. Simple Interest 12. Compound Interest with the Help of Logarithms 13. Profit and Loss.
Board Examination
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