GMAT考试1-GMAT数学12月总结(三)
<p> 41.圆柱体<span word="CAN">CAN</span>, 半径=<span word="R">R</span>,高=<span word="H">H</span>, 若另一个圆柱体积相同，<span word="r">r</span>=2/3 <span word="R">R</span>, 那么高<span word="h">h</span>为多少?</p><p> 9/4<span word="h">h</span></p><p> 42.<span word="DS">DS</span>: 两个数列<span word="S">S</span>,<span word="T">T</span>，<span word="S">S</span> 由偶数组成，<span word="T">T</span>由奇数组成，两个数列个数相同，问<span word="S">S</span>的<span word="MEDIAN">MEDIAN</span> 和<span word="T">T</span>的算术平均值谁大?</p><p> <span word="S">S</span>,<span word="T">T</span> 为连续的数</p><p> <span word="S">S</span>的算术平均值大于<span word="T">T</span>的</p><p> 43. 4523617</p><p> 7 个数字中，哪个数字增加1，乘积增加小于1000?</p><p> <span word="A">A</span>. 1</p><p> <span word="B">B</span>. 2</p><p> <span word="C">C</span>. 5</p><p> <span word="D">D</span>. 7</p><p> <span word="E">E</span>. 4</p><p> 44. <span word="N">N</span> 有几个不同的质数?</p><p> <span word="A">A</span>. <span word="N">N</span> 是7200的因子</p><p> <span word="B">B</span>. 180 是<span word="N">N</span>的因子</p><p> 45. <span word="M">M</span>, <span word="P">P</span>, <span word="T">T</span> 是<span word="positive">positive</span> <span word="integer">integer</span>, <span word="m">m</span></p><p> <span word="A">A</span>. <span word="T">T</span>-<span word="P">P</span>=<span word="P">P</span>-<span word="M">M</span></p><p> <span word="B">B</span>. <span word="Forgot">Forgot</span></p><p> 46. 一个序列，从第三位数起，每个数都与它前面连续的两个数的和有关，<span word="the">the</span> <span word="number">number</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> 2 <span word="numbers">numbers</span> <span word="in">in</span> <span word="the">the</span> <span word="sum">sum</span> <span word="is">is</span> <span word="odd">odd</span> <span word="or">or</span> <span word="if">if</span> <span word="the">the</span> <span word="sum">sum</span> <span word="of">of</span> <span word="the">the</span> 2 <span word="numbers">numbers</span> <span word="are">are</span> <span word="even">even</span>, <span word="the">the</span> <span word="forth">forth</span> <span word="number">number</span> <span word="is">is</span> 7 <span word="and">and</span> <span word="the">the</span> <span word="fifth">fifth</span> <span word="number">number</span> <span word="is">is</span> 5, <span word="what">what</span> <span word="is">is</span> <span word="the">the</span> <span word="first">first</span> <span word="number">number</span>?</p><p> 47. <span word="Give">Give</span> <span word="the">the</span> <span word="English">English</span> <span word="definition">definition</span> <span word="of">of</span> <span word="standard">standard</span> <span word="deviation">deviation</span>, 2 <span word="or">or</span> 3 <span word="lines">lines</span>, <span word="there">there</span> <span word="are">are</span> 4 <span word="numbers">numbers</span>, 9, 8, 7, 4, <span word="ask">ask</span> <span word="the">the</span> <span word="standard">standard</span> <span word="deviation">deviation</span> <span word="of">of</span> <span word="these">these</span> 4 <span word="numbers">numbers</span>?</p><p> 48. <span word="X">X</span>, <span word="Y">Y</span> 是正整数，<span word="X">X</span> 是3的倍数吗?</p><p> <span word="A">A</span>. <span word="X">X</span>-<span word="Y">Y</span> 是3的倍数</p><p> <span word="B">B</span>. <span word="X">X</span>-2<span word="Y">Y</span>是3的倍数</p>
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