最新gre数学难题解析(一)
<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> 1.<span word="Sixty">Sixty</span>-<span word="eight">eight</span> <span word="people">people</span> <span word="are">are</span> <span word="sitting">sitting</span> <span word="in">in</span> 20 <span word="cars">cars</span> <span word="and">and</span> <span word="each">each</span> <span word="car">car</span> <span word="contains">contains</span> <span word="at">at</span> <span word="most">most</span> 4 <span word="people">people</span>. <span word="What">What</span> <span word="is">is</span> <span word="the">the</span> <span word="maximum">maximum</span> <span word="possible">possible</span> <span word="number">number</span> <span word="of">of</span> <span word="cars">cars</span> <span word="that">that</span> <span word="could">could</span> <span word="contain">contain</span> <span word="exactly">exactly</span> 1 <span word="of">of</span> <span word="the">the</span> 68 <span word="people">people</span>?</p><p> <span word="A">A</span>.2 <span word="B">B</span>.3 <span word="C">C</span>.4 <span word="D">D</span>.8 <span word="E">E</span>.12</p><p> 2.<span word="if">if</span> <span word="n">n</span> <span word="is">is</span> <span word="any">any</span> <span word="prime">prime</span> <span word="number">number</span> <span word="greater">greater</span> <span word="than">than</span> 2, <span word="which">which</span> <span word="of">of</span> <span word="the">the</span> <span word="following">following</span> <span word="cannot">cannot</span> <span word="be">be</span> <span word="a">a</span> <span word="prime">prime</span> <span word="number">number</span>?</p><p> <span word="A">A</span>.<span word="n">n</span>-4 <span word="B">B</span>.<span word="n">n</span>-3 <span word="C">C</span>.<span word="n">n</span>-1 <span word="D">D</span>.<span word="n">n</span>+2 <span word="E">E</span>.<span word="n">n</span>+5</p><p> 3.<span word="In">In</span> 1988 <span word="Mr">Mr</span>. <span word="Smiths">Smiths</span> <span word="annual">annual</span> <span word="income">income</span> <span word="was">was</span> <span word="greater">greater</span> <span word="than">than</span> <span word="Mrs">Mrs</span>. <span word="Smiths">Smiths</span> <span word="annual">annual</span> <span word="income">income</span>. <span word="In">In</span> 1989 <span word="Mr">Mr</span>. <span word="Smiths">Smiths</span> <span word="annual">annual</span> <span word="income">income</span> <span word="decreased">decreased</span> <span word="by">by</span> <span word="p">p</span> <span word="percent">percent</span>, <span word="whereas">whereas</span> <span word="Mrs">Mrs</span>. <span word="Smiths">Smiths</span> <span word="annual">annual</span> <span word="income">income</span> <span word="increased">increased</span> <span word="by">by</span> <span word="p">p</span> <span word="percent">percent</span>.</p><p> <span word="Column">Column</span> <span word="A">A</span>: <span word="Mr">Mr</span>. <span word="and">and</span> <span word="Mrs">Mrs</span>. <span word="Smiths">Smiths</span> <span word="combined">combined</span> <span word="annual">annual</span> <span word="income">income</span> <span word="in">in</span> 1988</p><p> <span word="Column">Column</span> <span word="B">B</span>: <span word="Mr">Mr</span>. <span word="and">and</span> <span word="Mrs">Mrs</span>. <span word="Smiths">Smiths</span> <span word="combined">combined</span> <span word="annual">annual</span> <span word="income">income</span> <span word="in">in</span> 1989</p><p> 4.<span word="How">How</span> <span word="many">many</span> <span word="integers">integers</span> <span word="between">between</span> 101 <span word="and">and</span> 201 <span word="are">are</span> <span word="equal">equal</span> <span word="to">to</span> <span word="the">the</span> <span word="square">square</span> <span word="of">of</span> <span word="some">some</span> <span word="integer">integer</span>?</p><p> <span word="A">A</span>. <span word="Two">Two</span> <span word="B">B</span>. <span word="Three">Three</span> <span word="C">C</span>. <span word="Four">Four</span> <span word="D">D</span>. <span word="Five">Five</span> <span word="E">E</span>. <span word="Six">Six</span></p><p> 5. <span word="The">The</span> <span word="price">price</span> <span word="of">of</span> <span word="a">a</span> <span word="certain">certain</span> <span word="stock">stock</span> <span word="was">was</span> 121/2 <span word="dollars">dollars</span> <span word="per">per</span> <span word="share">share</span>.</p><p> <span word="The">The</span> <span word="price">price</span> <span word="increased">increased</span> <span word="x">x</span> <span word="percent">percent</span> <span word="to">to</span> 155/8 <span word="dollars">dollars</span> <span word="per">per</span> <span word="share">share</span>.</p><p> <span word="Column">Column</span> <span word="A">A</span>: <span word="x">x</span></p><p> <span word="Column">Column</span> <span word="B">B</span>: 20</p>
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