Download or read book Commercial Arithmetic Class XI- SBPD Publications written by Dr. S. K. Singh, and published by SBPD Publications. This book was released on 2021-10-16 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strictly in accordance with the latest syllabus and question pattern prescribed by the Jharkhand Academic Council (JAC), Ranchi 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