$All Necessary Formulas for GRE/GMAT Math combined$

All Necessary Formulas for GRE/GMAT Math combined

Sequence

$1+2+3+………..+n = \frac{(n (n+1))}{2}$

$ 1^2+2^2+3^2+……..+n^2 =\frac{ n (n+1)(2n+1)}{6}$

$ 1^3+2^3+3^3+……..+n^3 =\frac{ \{n (n+1)\}^2}{4}$

Sum of an arithmetic Series, $S = {n \over2}\{ {2a+(n-1)d} \}$

a = first term , d = common difference, n = number of terms ;

e.g.: 11+18+25+… … … ; where, a=11, d=18-11=7. If n=29, the arithmetic …

Mastering Statistics for GRE Quantitative Reasoning

Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data. Statistics is one of the segments of GRE quantitative section which is to be structured to adept by means of sensible practices to command over the stipulated ideas, techniques and problems where the base of basic concepts is urged to be trained.

Mean …

Mastering Sentence Equivalence of GRE Verbal Reasoning

Sentence equivalence questions are set to evaluate the level of understanding through given sentence with a blank space to be filled. One must choose two options synonymous to each other instead of choosing just one answer option to put into the blank space. It is very important to keep in mind that when put the choices into the blank space, each …

GRE-Time Management Techniques: Section-Wise Strategies

A journey of a thousand miles begins with a single step. If the first single step can take with proper articulation of strategies then the whole journey can reach the goal within a proper time. GRE exam can be excelled both in score and strategies through the utilization of time as the active third eye while appearing the exam. So, …

How to Write an Argument Task of AWA in GRE Test

Argument task is one of two essays of Analytical Writing Assessment in GRE test which is to be driven to analyze and evaluate the author’s argument. The task provides a brief passage in which the author interprets events by presenting claims and supporting evidence. One has to examine the …

How to Write an Issue Task of AWA in GRE Test

Issue task is one of two essays of Analytical Writing Assessment in GRE test which presents an opinion on an issue of wide interest followed by specific routes on how to drive the task towards an efficient end. One has to evaluate a given issue considering the complexities keenly with a view to organizing ideas to construct own argument by …

Strategic Analysis of GRE Arithmetic

Arithmetic is one of the most important sections of GRE quantitative. You can master the section with logical understanding and developing mathematical skills by practicing more and more.

Terminology for Operations

There are four principal operations of arithmetic

Addition

It gives the result known as the Sum or total that denotes adding number together, e.g. The sum of 8 and …

Avoid Common Mistakes to Excel GRE Score

Experience is the elegant effect enhanced by the edification of errors. Every error in the field of education helps us to add shield and yield simultaneously in the storehouse of knowledge to progress in the next step with excelled confidence. GRE test urges a planned preparation to glean a good and desired score where regular practices can help anyone to …