Download or read book Problems & Solutions In 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 2020-06-27 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Number System and Rapid Methods of Calculation, 2. Approximation, 3. Contracted Method of Multiplication, 4. Contracted Method of Division, 5. Decimalisation, 6. Ratio, 7. Proportion, 8. Table of Nine Values, 9. Chain Rule, 10. Percentage, 11. Discount, 12. Commission and Brokerage, 13. Simple Interest, 14. Compound Interest, 15. Compound Interest with the Help of Logarithms, 16. Profit and Loss, Appendix (Use of Logarithmic Tables) Logarithms and Anti-Logarithms Tables.