GRE数学2014年数学算术题
<p> 算术题是<span word="GRE">GRE</span>数学考试中的常见题型，下面就分析一些简单的数学题</p><p> 41.<span word="At">At</span> <span word="College">College</span> <span word="C">C</span> <span word="there">there</span> <span word="are">are</span> <span word="from">from</span> 2 <span word="to">to</span> 4 <span word="introductory">introductory</span> <span word="philosophy">philosophy</span> <span word="classes">classes</span> <span word="each">each</span> <span word="semester">semester</span>, <span word="and">and</span> <span word="each">each</span> <span word="of">of</span> <span word="these">these</span> <span word="classes">classes</span> <span word="has">has</span> <span word="from">from</span> 20 <span word="to">to</span> 30 <span word="students">students</span> <span word="enrolled">enrolled</span>. <span word="If">If</span> <span word="one">one</span> <span word="semester">semester</span> 10 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="students">students</span> <span word="enrolled">enrolled</span> <span word="in">in</span> <span word="introductory">introductory</span> <span word="philosophy">philosophy</span> <span word="failed">failed</span>, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="greatest">greatest</span> <span word="possible">possible</span> <span word="number">number</span> <span word="who">who</span> <span word="failed">failed</span>?</p><p> <span word="A">A</span>.12 <span word="B">B</span>.10 <span word="C">C</span>.8 <span word="D">D</span>.6 <span word="E">E</span>.3 答案：<span word="A">A</span></p><p> 42.<span word="In">In</span> <span word="each">each</span> <span word="of">of</span> <span word="the">the</span> <span word="years">years</span> 1983 <span word="and">and</span> 1984, <span word="the">the</span> <span word="total">total</span> <span word="number">number</span> <span word="of">of</span> <span word="automobiles">automobiles</span> <span word="sold">sold</span> <span word="in">in</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="was">was</span> 1.2 <span word="million">million</span> <span word="more">more</span> <span word="than">than</span> <span word="in">in</span> <span word="the">the</span> <span word="previous">previous</span> <span word="year">year</span>. <span word="Percent">Percent</span> <span word="increase">increase</span> <span word="in">in</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="automobiles">automobiles</span> <span word="sold">sold</span> <span word="in">in</span> 1983 <span word="over">over</span> 1982 <span word="Percent">Percent</span> <span word="increase">increase</span> <span word="in">in</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="automobiles">automobiles</span> <span word="sold">sold</span> <span word="in">in</span> 1984 <span word="over">over</span> 1983</p><p> 答案：<span word="A">A</span></p><p> 43.<span word="A">A</span> <span word="school">school</span> <span word="district">district</span> <span word="has">has</span> 1989 <span word="computers">computers</span>, <span word="which">which</span> <span word="is">is</span> <span word="approximately">approximately</span> <span word="one">one</span> <span word="computer">computer</span> <span word="for">for</span> <span word="every">every</span> 68.6 <span word="students">students</span>. <span word="Of">Of</span> <span word="the">the</span> <span word="following">following</span>, <span word="which">which</span> <span word="is">is</span> <span word="the">the</span> <span word="closest">closest</span> <span word="approximation">approximation</span>, <span word="in">in</span> <span word="thousands">thousands</span>, <span word="of">of</span> <span word="the">the</span> <span word="number">number</span> <span word="of">of</span> <span word="students">students</span> <span word="in">in</span> <span word="the">the</span> <span word="school">school</span> <span word="district">district</span>?</p><p> <span word="A">A</span>.30 <span word="B">B</span>.120 <span word="C">C</span>.140 <span word="D">D</span>.160 <span word="E">E</span>.200 答案：<span word="C">C</span></p><p> 44.<span word="If">If</span> <span word="the">the</span> <span word="sum">sum</span> <span word="of">of</span> <span word="five">five</span> <span word="consecutive">consecutive</span> <span word="even">even</span> <span word="integers">integers</span> <span word="is">is</span> 70, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="value">value</span> <span word="of">of</span> <span word="the">the</span> <span word="greatest">greatest</span> <span word="of">of</span> <span word="the">the</span> <span word="five">five</span> <span word="integers">integers</span>.</p><p> <span word="A">A</span>.12 <span word="B">B</span>.14 <span word="C">C</span>.18 <span word="D">D</span>.20 <span word="E">E</span>.22 答案：<span word="C">C</span></p><p> 45.<span word="The">The</span> <span word="sum">sum</span> <span word="of">of</span> <span word="the">the</span> <span word="first">first</span> 50 <span word="positive">positive</span> <span word="integers">integers</span> <span word="is">is</span> 1275. <span word="What">What</span> <span word="is">is</span> <span word="the">the</span> <span word="sum">sum</span> <span word="of">of</span> <span word="the">the</span> <span word="integers">integers</span> <span word="from">from</span> 51 <span word="to">to</span> 100, <span word="inclusive">inclusive</span>?</p>
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