The Graduate Record Examination is a standardized test which measures the Verbal, Mathematical and Analytical skills. GRE is one of the important admission criteria for most of the graduate schools in the US.
The GRE is a computer-based exam wherein no two people get identical tests. This exam is not adaptive question-by-question but is adaptive on sectional basis. Thus, your performance on one section will decide the difficulty level of the subsequent section. The test is scored on a maximum of 340 and the score remains valid for 5 years.
The GRE test has three parts – Quantitative, Verbal and Analytical Writing Assessment.
The Quantitative Reasoning section has two sub section on the GRE.In each section, 20 questions are to be done in 35 minutes. Similarly, The Verbal Reasoning section has two sections each with with 20 question and a time span of 30 minutes.
The Analytical Writing Assessment section is primarily meant to assess the written English Language skills of a student. While practicing AWA one should always keep in mind that unlike the MS Office the GRE software does not have auto grammar and spell check .So, be cautious of the same. AWA is a very important section as it is the only section that has a cut off (usually 4 out of 6).
The requirement of GRE score varies from student to student depending upon his/her background and profile. For example, an engineering student would need a higher quant score (at least 165) and a non-science student would need a higher verbal score (150 and above).
A good GRE score that can take you to a good university is anything more than 320. However, your admission into a good university is not solely dependent on your GRE score as there are a lot of other components that are taken into account like the research work, LORs ( Letters of recommendation), extra-curricular activities, work experience etc.