How can I prepare for iCAT (International Competitive Aptitude Test) exam?

Given below I have divided the sections further into topics/chapters.

Number System

• High Priority - HCF / LCM, Number Properties, Factor Theory
• Low Priority - Remainders, Base System, Last digits

Arithmetic

• High Priority - Percentage, Profit & Loss, TSD, Ratio
• Low Priority - Clocks, Calendars

Algebra

• High Priority - Linear Equations, Functions
• Low Priority - Higher Degree Equations, Logarithm

Geometry

• High Priority - Circles, Triangles (Similar), Polygons, Mensuration
• Low Priority - Trigonometry, Coordinate Geometry

Modern Maths

• High Priority - Set Theory, Principles of Counting, Sequence and Series
• Low Priority - Permutation and Combination, Probability