2015年6月GMAT数学机经

　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(七)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　31 If all three sides of a right triangle are, respectively, radii of three semicircles, is it possible to calculate the sum of area of three semicircles?

　　(1) a^2 + b^2 + c^2 = 50

　　(2) c^2 = 25

　　32 Jade save cash into 5 different bank accounts. What is the probability that Jade save most into account a and save least into account B?

　　A. 1/10

　　B. 1/20

　　C. 1/40

　　D. 1/60

　　E. 1/80

　　33 If the radius of small circle is 3, and the angle is 60, what is the radius of the big circle?

　　A. 3

　　B. 6

　　C. 9

　　D. 12

　　E. 15

　　34 The sum of the first k positive integers is equal to k(k +1)/2 . What is the sum of the integers from n to m, inclusive, where 0 < n < m ?

　　A.m(m+1)/2–(n +1)(n + 2)/2

　　B.m(m+1)/2–n(n +1)/2

　　C.m(m+1)/2–(n−1)n/2

　　D.(m−1)m/2–(n+1)(n+2)/2

　　E.(m−1)m/2–n(n+1)/2

　　35 Is h^2 = h ?

　　(1) h + h = h

　　(2) h –h = h

　　36 If k is a two-­‐digit positive integer with tens digit x and units digit y, then k^2 =

　　A. 10x^2 + y^2<...

　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(六)，欢迎阅读。

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　　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?

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　　2015年GMAT考试时间

　　2015年GMAT考试官方手册

　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(五)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　21 F(n) is defined as the product of all even numbers from 2 to n, inclusive. What is the

　　least prime factor of f(100) + 1.

　　A. From 2 to 10

　　B. From 10 to 20

　　C. From 20 to 30

　　D. From 30 to 40

　　E. Greater than 40

　　22 If point (a, b) is on line k, is the distance from the point to origin greater than 5?

　　(1) a – b > 5

　　(2) a^2 + b^2 > 5

　　23 Is m/n > n/m?

　　(1) m > n

　　(2) mn > 0

　　24 How many intersection does y = x^4 – x^2 have with x-­‐axis?

　　A. 0

　　B. 1

　　C. 2

　　D. 3

　　E. 4

　　25 Is x > 0?

　　(1) x^2 – x^3 = 0

　　(2) |x| = x

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　　2015年GMAT考试时间

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　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(四)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　16 Is |x – y| > |x – z|?

　　(1) |y| > |z|

　　(2) x < 0

　　17 In a set of 400 integers, is the sum of them greater than 0.1?

　　(1) The greatest one is less than 0.0002.

　　(2) The sum of greatest 50 integers is 0.01.

　　18 If points (a,b) and (c,d) are on line k, is the slope of line k positive?

　　(1) a < c, and b < d.

　　(2) The product of x-­‐intercept and y-­‐intercept is negative.

　　19 If 3^x – 3^(x – 3) = 26/3^9, what is the value of x

　　A. 6

　　B. -­6

　　C. 9

　　D. -­9

　　E. 13

　　20 If x and y are integers, what is the value of (x + y)^2?

　　(1) x = y – 3

　　(2) x and y are prime numbers.

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　　2015年GMAT考试时间

　　2015年GMAT考试官方手册

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　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(三)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　11 If the function f(x) = x^2 + px + 9 has the solution x1 and x2, what is the value of p^2?

　　(1) x1 = x2

　　(2) x1 + x2 = -­6

　　12 What is the remainder when 15n is divided by 6?

　　(1) n is an even integer.

　　(2) n is divisible by 3.

　　13 Which of the following cannot be the number of diagonals of a polygon?

　　A. 5

　　B. 6

　　C. 9

　　D. 14

　　E. 20

　　14 In a set of ten integers, if first five integers are added x, respectively, and if the rest integers are added y, respectively, what is the difference of the average of before and after addition?

　　(1) x + y = 5.

　　(2) x – y = 7.

　　15 The function f(x) = x^2 + 1. If hw is not 0, is f(w – h)/h > f(w + h)/h?

　　(1) 0 < h <1

　　(2) w < 0

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　　2015年GMAT考试时间

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　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(二)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　6 Is x/3 + 3/x ≥ 2?

　　(1) x ≥ 3

　　(2) x ≥ 1

　　7 Which quadrant does point p(m, n) locate?

　　(1) M – 1 > 0

　　(2) N – 1 < 0

　　8 If points (a,b) and (c,d) are on line k, is the slope of line k positive?

　　(1) a < c, and b < d.

　　(2) The product of x-­‐intercept and y-­‐intercept is negative

　　9 a and b are positive integers. If 5a – 7(b + 3) = 2, what is the least value of a – b?

　　A. 5

　　B. 10

　　C. 15

　　D. 20

　　E. 23

　　10 Jake, a twelve‐year­‐old boy, went to theater with his parents last weekend. The theater gives 30% discount for kid older than five and younger than twelve. If they spent totally 42 dollars for a movie, how much they spent for Jake?

　　A. 11

　　B. 12

　　C. 10

　　D. 13

　　E. 14

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　　2015年GMAT考试时间

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　　下面是出国留学网GMAT频道整理的2015年6月GMAT数学机经(一)，欢迎阅读。

　　>>>点击进入：2015年6月GMAT数学机经汇总

　　1.Jason went to Florida for vocation. During his vocation, if there are totally 11 days of rain that last only in either morning or afternoon, and 16 mornings and 13 afternoons had no rain, how many days of Jason’s vocation?

　　A. 15

　　B. 20

　　C. 29

　　D. 35

　　E. 40

　　2.On a pentagon, five identical circles whose centers are vertexes of the pentagon are drawn with radii of 1 centimeter and no overlapping. What is the circumference of arc inside the pentagon?

　　A. π

　　B. 2 π

　　C. 3 π

　　D. 4 π

　　E. 5 π

　　3.If a is greater than 0, how many intersections do the function f(x) = ax2 + bx + c and x-­‐axis have?

　　(1) f(x – 4) has 2 intersections with x-­‐axis.

　　(2) f(x) – 4 has 1 intersection with x-­‐axis.

　　4.What is the remainder when 7548 is divided by 10?

　　A. 1

　　B. 0

　　C. 3

　　D. 7

　　E. 9

　　5.Is |x + y| < |x| + |y|?

　　(1) xy < 0

　　(2) x + y < 0

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　　2015年GMAT考试时间<...