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,
l Board Examination
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