【GMAT考满分题库检索】GMAT数学PS题库_GMAT 真题

序号	题目内容
161	If $$10^{a} x 10^{b} x 10^{c} = 1,000,000$$, and a, b, and c are different positive integers, then $$10^{a} + 10^{b} + 10^{c} =$$
162	If the average (arithmetic mean) of five consecutive negative integers is 2k – 1, what is the difference between the greatest and least of the five integers?
163	If 3x < 2y < 0, which of the following must be the greatest?
164	What is the sum of all integers from 45 to 155 inclusive?
165	If the ratio of the volume of cube A to the volume of cube B is 1 to 8, what is the ratio of the surface area of cube A to the surface area of cube B?
166	2x + y years ago, Roberto was 3x + y years old. How many years old was Roberto x years ago?
167	If \|x + 5\| = 3 and $${{\|2y - 1\|}\over{3}} = 5$$, then \|x + y\| could equal each of the following EXCEPT
168	$$\frac{228}{494}$$=
169	$$(x)(5+\sqrt{7})=90$$In the equation above, x =
170	A company has 3 vice presidents, 15 executives, 82 data entry employees, and no other employees. The average salary for the fifteen executives is $80,000 and the average salary for the 82 data entry employees is $25,000. If the average salary across all three types of employees is $44,500, then what is the average salary of the three vice presidents?
171	In the below addition A, B, C, D, E, F, and G represent the digits 0, 1, 2, 3, 4, 5 and 6. If each variable has a different value, and E $$\neq$$0, then G equals
172	In a certain sock drawer, there are 4 pairs of black socks, 3 pairs of gray socks and 2 pairs of orange socks. If socks are removed at random without replacement, what is the minimum number of socks that must be removed in order to ensure that two socks of the same color have been removed?
173	Each circle has center O. The radius of the smaller circle is 2 and the radius of the larger circle is 6. If a point is selected at random from the larger circular region, what is the probability that the point will lie in the shaded region?
174	If $$8^{c}×\sqrt{8}={8^{a}\over8^{b}}$$ then a=？
175	If 5x - 3y = 7 and 2y - 4x = 3, then 2x - 2y =
176	If A is the initial amount put into an account, P is the annual percentage rate of interest, which remains fixed, and the account compounds quarterly, which of the following is an expression, in terms of A and P, for the amount in the account after 5 years?
177	If x and y are both positive then $$\sqrt{72x^{3}y^{16}}$$ =
178	If xy = 5 and $$x^{2} + y^{2} = 12$$, then$$ \frac{x}{y} + \frac{y}{x} $$=
179	O is the center of the semicircle. If ∠BCO=30°and BC =$$6\sqrt{3}$$ , what is the area of triangle ABO?
180	After receiving a 25% discount, Sue paid $180 for a lawnmower. What is the original price of the lawnmower before the discount?

序号

题目内容

161

If $$10^{a} x 10^{b} x 10^{c} = 1,000,000$$, and a, b, and c are different positive integers, then $$10^{a} + 10^{b} + 10^{c} =$$

162

If the average (arithmetic mean) of five consecutive negative integers is 2k – 1, what is the difference between the greatest and least of the five integers?

163

If 3x < 2y < 0, which of the following must be the greatest?

164

What is the sum of all integers from 45 to 155 inclusive?

165

If the ratio of the volume of cube A to the volume of cube B is 1 to 8, what is the ratio of the surface area of cube A to the surface area of cube B?