TAILIEUCHUNG - Master the Gre 2010 - Part 20

Peterson's Master the Gre 2010 - Part book includes 9 full-length practice tests , thorough reviews of every section on the exam, and expert tips and strategies from a test prep pro. GRE (Graduage Record Examination General Test) is a commercially-run standardized test and an admission requirement for many graduate schools in USA and other English-speaking countries. GRE can earn you between 200-800 points. | Chapter 7 Problem Solving 173 Handle Lengthy Confusing Questions One Part at a Time Data interpretation questions can be wordy and confusing. Don t panic. Keep in mind that lengthy questions almost always call for a sequence of two discrete tasks. For the first task read just the first part of the question. When you re done go back to the question and read the next part. Know the Overall Size of the Number That the Question Requires The test designers will lure careless test takers with wrong answer choices that result from common computational errors. So always ask yourself how great or small a value you re looking for in the correct answer. For instance Is it a double-digit number or an even greater number Is it a percentage that is obviously greater than 50 percent By keeping the big picture in mind you re more likely to detect whether you made an error in your calculation. To Save Time Round Off Numbers But Don t Distort Values Some data interpretation questions will ask for approximatevalues so it s okay to round off numbers to save time rounding off to the nearest appropriate unit or half-unit usually suffices to give you the correct answer. But don t get too rough in your approximations. Also be sure to round off numerators and denominators of fractions in the same direction either both up or both down unless you re confident that a rougher approximation will suffice. Otherwise you ll distort the size of the number. Don t Split Hairs When Reading Line Charts and Bar Graphs These are the two types of figures that are drawn to scale. If a certain point on a chart appears to be about 40 percent of the way from one hash mark to the next don t hesitate to round up to the halfway point. The number 5 is usually easier to work with than 4 or 6. THE NUMERIC ENTRY FORMAT NEW The Quantitative Reasoning section of the computer-based GRE might include one numeric entry question which you answer by entering a number via the keyboard instead of selecting among multiple .

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