DSSSB Mathematics Chapterwise Solved Papers 2100+ Objective Question with Explanations (English Medium) (4748) 1. Number System 2. LCM And HCF 3. Simplification 4. Power, Indices and Surds 5. Average 6. Ratio & Proportion 7. Alligation & Mixture 8. Percentage 9. Profit And Loss 10. Discount 11. Simple Interest 12. Compound Interest 13. Time and Work 14. Pipe and Cistern 15. Time and Distance 16. Boat and Stream 17. Sequence and Series 18. Algebra 19. Trigonometry 20. Geometry 21. Mensuration 22. Statistics and Data Interpretation 23. Miscellaneous