An annotation is simply a summary of a book, article, or some other written source. A bibliography is a list of sources on a particular topic. Put together, an annotated bibliography is a list of sources on a topic that offers a summary for each source.
The computer-delivered GREÂ® General Test takes about 3 hours and 45 minutes and consists of three separately timed sections: 1  Verbal Reasoning â There are two 30-minute sections, each containing 20 questions.  Quantitative Reasoning â There are two 35-minute sections, each containing 20 questions.
The GRE is scored in three parts: Math and Verbal scores range between 130 and 170, and Analytic Writing scores range between 0 and 6, scored in half-point increments. The GRE lasts 3 hours, 45 minutes, not including short breaks. Our GRE prep options help keep you on the ball in terms of timing. Your GRE score remains valid for five years, and is accepted at thousands of graduate and business schools.