最新gre数学难题解析(五)
<p> 下面为大家总结了最新的<span word="gre">gre</span>数学难题。有很多<span word="gre">gre</span>考生对<span word="gre">gre</span>数学考试十分苦恼，其实最有效的方法就是多练习，把数学基础知识记牢，这样才能在考试中对答如流。而<span word="gre">gre</span>数学考试中也会出现一些难题，想拿高分也十分不容易。</p><p> 41. <span word="If">If</span> <span word="one">one</span> <span word="number">number</span> <span word="is">is</span> <span word="chosen">chosen</span> <span word="at">at</span> <span word="random">random</span> <span word="from">from</span> <span word="the">the</span> <span word="first">first</span> 1,000 <span word="positive">positive</span> <span word="integers">integers</span>, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="probability">probability</span> <span word="that">that</span> <span word="the">the</span> <span word="number">number</span> <span word="chosen">chosen</span> <span word="is">is</span> <span word="a">a</span> <span word="multiple">multiple</span> <span word="of">of</span> <span word="both">both</span> 2 <span word="and">and</span> 8?</p><p> <span word="A">A</span>.1/125 <span word="B">B</span>.1/8 <span word="C">C</span>.1/2 <span word="D">D</span>.9/16 <span word="E">E</span>.5/8</p><p> 42.<span word="Of">Of</span> <span word="the">the</span> <span word="commuters">commuters</span> <span word="to">to</span> <span word="City">City</span> <span word="P">P</span>,1/2 <span word="of">of</span> <span word="those">those</span> <span word="who">who</span> <span word="drive">drive</span> <span word="alone">alone</span> <span word="are">are</span> <span word="going">going</span> <span word="to">to</span> <span word="change">change</span> <span word="their">their</span> <span word="means">means</span> <span word="of">of</span> <span word="travel">travel</span> <span word="while">while</span> <span word="the">the</span> <span word="rest">rest</span> <span word="of">of</span> <span word="the">the</span> <span word="commuters">commuters</span> <span word="to">to</span> <span word="City">City</span> <span word="P">P</span> <span word="will">will</span> <span word="continue">continue</span> <span word="to">to</span> <span word="use">use</span> <span word="the">the</span> <span word="same">same</span> <span word="means">means</span> <span word="of">of</span> <span word="travel">travel</span>. <span word="If">If</span> 1/2 <span word="of">of</span> <span word="those">those</span> <span word="who">who</span> <span word="are">are</span> <span word="going">going</span> <span word="to">to</span> <span word="change">change</span> <span word="join">join</span> <span word="a">a</span> <span word="car">car</span>/<span word="van">van</span> <span word="pool">pool</span>, <span word="what">what</span> <span word="will">will</span> <span word="then">then</span> <span word="be">be</span> <span word="the">the</span> <span word="percent">percent</span> <span word="of">of</span> <span word="commuters">commuters</span> <span word="to">to</span> <span word="City">City</span> <span word="P">P</span> <span word="who">who</span> <span word="travel">travel</span> <span word="by">by</span> <span word="car">car</span>/<span word="van">van</span> <span word="pool">pool</span>?</p><p> <span word="A">A</span>. 49.5% <span word="B">B</span>. 45.9% <span word="C">C</span>.35.2% <span word="D">D</span>.31.9% <span word="E">E</span>.28.3%</p><p> 43. <span word="If">If</span> <span word="the">the</span> <span word="total">total</span> <span word="number">number</span> <span word="of">of</span> <span word="commuters">commuters</span> <span word="to">to</span> <span word="County">County</span> <span word="W">W</span> <span word="is">is</span> <span word="twice">twice</span> <span word="the">the</span> <span word="number">number</span> <span word="to">to</span> <span word="County">County</span> <span word="Z">Z</span>, <span word="and">and</span> <span word="if">if</span> <span word="the">the</span> <span word="average">average</span> <span word="number">number</span> <span word="of">of</span> <span word="vehicles">vehicles</span> <span word="that">that</span> <span word="transport">transport</span> <span word="commuters">commuters</span> <span word="daily">daily</span> <span word="to">to</span> <span word="County">County</span> <span word="W">W</span> <span word="is">is</span> 30,000, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="approximate">approximate</span> <span word="average">average</span> <span word="number">number</span> <span word="of">of</span> <span word="vehicles">vehicles</span> <span word="that">that</span> <span word="transport">transport</span> <span word="commuters">commuters</span> <span word="daily">daily</span> <span word="to">to</span> <span word="County">County</span> <span word="Z">Z</span>?</p><p> <span word="A">A</span>.12,000 <span word="B">B</span>.15,000 <span word="C">C</span>.18,000 <span word="D">D</span>.27,000 <span word="E">E</span>.36,000</p><p> 44.<span word="For">For</span> <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="countries">countries</span> <span word="was">was</span> <span word="the">the</span> <span word="difference">difference</span> <span word="between">between</span> <span word="its">its</span> <span word="savings">savings</span> <span word="rate">rate</span> <span word="and">and</span> <span word="its">its</span> <span word="real">real</span> <span word="GNP">GNP</span> <span word="growth">growth</span> <span word="rate">rate</span> <span word="least">least</span>?</p><p> <span word="A">A</span>. <span word="Japan">Japan</span> <span word="B">B</span>. <span word="Canada">Canada</span> <span word="C">C</span>. <span word="Switzerland">Switzerland</span> <span word="D">D</span>. <span word="The">The</span> <span word="United">United</span> <span word="States">States</span> <span word="E">E</span>. <span word="The">The</span> <span word="United">United</span> <span word="Kingdom">Kingdom</span></p>
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