Download or read book Commercial Arithmetic Class XI by Dr. S. K. Singh, Samresh Chauhan - written by Dr. S. K. Singh and published by SBPD Publications. This book was released on 2020-06-22 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: 0.Number System and Rapid Methods of Calculation, 1. Approximation, 2. Contracted Method of Multiplication, 3. Contracted Method of Division, 4. Decimalisation, 5. Ratio, 6. Proportion, 7. Table of Nine Value, 8. Chain Rule, 9. Percentage, 10. Discount, 11. Commission and Brokerage, 12. Simple Interest, 13. Compound Interest, 14. Compound Interest with the Help of Logarithms, 15. Profit and Loss · Appendix : Logarithms · Log and Antilog Table · Examination Paper