Hi ,
This may help you to overview the GMAT
The GMAT®
then u can proceed with ur study.
Preparing for the GMAT Quant section would involve learning and mastering concepts in
Arithmetic
Elementary Algebra and
Basic Geometry
Here is a list of topics in Math that a candidate should include in his or her GMAT preparation plan. The list is only a representative indicator of what needs to be prepared and does not include all areas tested in GMAT.
Topics in Arithmetic
Number Systems, Percentages, Profit & Loss, Simple & Compound Interest, Speed, Time and Distance, Pipes, Cisterns and Work Time, Simple & Weighted Averages, Ratio, Proportion & Variation, Mixtures and Alligation and Clocks and Calendars.
Topics in Algebra / Modern Math
Permutation & Combination, Probability, Arithmetic & Geometric Progression, Quadratic Equations, Set Theory, Inequalities and Basic statistics.
Topics in Geometry
Basic concepts in Geometry, Co-ordinate Geometry, Mensuration and Trigonometry.
Reading the NOVA's GMAT Mathematics may cover your basics in quant.
Manhattan Sentence Correction for SC
thanks