GMAT直通车带来的与众不同的GMAT数学机经(6)
2015-06-03 13:36
来源:新东方北京学校
作者:侯辰
在GMAT的世界里有两种人,一种是没有上过新东方GMAT直通车的“他们”,一种是来自新东方GMAT直通车的“我们”。下面是来自新东方GMAT直通车的“我们”所看到的新东方GMAT6月数学机经。
26 In the figure above, the diameter is 30, what is the area of shadow?
(1) Angle ACB = 60
(2) AB = 15
27 Is st < 0
(1) s^2t^3 < 0
(2) |s + t| < |s| + |t|
28 Is the quadrilateral ABCD a square
(1) AC = CD
(2) AC ⊥ CD
29 If O and D are centers of two circles, and arc AC is part of the circle D. What is the area of the shadow if AC is perpendicular with BD.
(1) AD = pi
(2) BD = 4
30 An aircraft flew from city P to city Q following the wind with 350 miles per hour, and return from city Q to city P with velocity 250 miles per hour. If the wind velocity between these two cities is constant and if the aircraft return from city Q immediately without landing, what is the average speed of the aircraft during this trip of 800 miles?
心动不如行动>>>新东方GMAT直通车报名入口
名师介绍:侯辰,本科就读于美国University of Nebraska at Kearney 化学系, 后就读于University of Texas at Austin 化工系博士研究生肄业。在美国学习期间曾作化学以及数学的助教,代教老师,对数理教学有丰富经验,并从方法论基础上提升学生解题思路,做题技巧,以及语言能力。
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