UPSC & TNPSC
- Conversion of information to data-Collection, compilation and presentation of data
- Tables, graphs, diagrams -Analytical interpretation of data
- Simplification
- Percentage
- Highest Common Factor (HCF)
- Lowest Common Multiple (LCM)
- Ratio and Proportion
- Simple interest
- Compound interest
- Area-Volume
- Time and Work.
- Logical Reasoning
- Puzzles
- Dice
- Visual Reasoning
- Alpha numeric
- Reasoning
- Number Series.
Best Reference Books
http://www.wallace.ccfaculty.org/book/Beginning_and_Intermediate_Algebra.pdf