Number Theory, Combinations, Critical Reasoning for Beginners, GMAT Study Plan for Novices

Math: Number Theory - an overview
Math: Combinations - how to solve them
Verbal: Critical Reasoning for Beginners - learn the basics to solve these questions

GMAT Study Plan for Novices - improve your score 50-150 points or if you are just starting your journey, here are some tips and shortcuts to help you get a good score.