题库 | 考满分，百万出国党的口碑之选。

PREP07 Test 2 PREP07 Test 1 Manhattan Magoosh KMFPS 排列组合几何应用题代数数论 OG20 OG21 OG20-数学分册 OG20-语文分册 OG19-数学分册 OG19 OG18-数学分册 OG18 OG17 OG16 OG15 OG12 OG2022

《(2012)GMAT官方指南》 OG 12

《(2012)GMAT官方指南》是GMAC（GMAT考试命题机构）中国大陆的单家授权版本，是GMAT考试必备参考书。书中提供超过800道全真试题，涵盖GMAT考试所有题型，并配有全面的答案解析。题目按难易程度排列，帮助考生节省备考时间。其中，OG12的PS部分共有 230 题，全部经由老师核对确认并标上题号及难度（根据官方标准划分）。

题目列表

序号	题目内容
41	If 4 is one solution of the equation $${x}^{2} + 3x + k = 10$$, where k is a constant, what is the other solution?
42	if \|a c b d\|= ad-bc for all numbers a, b, c, and d, then \|3 -2 5 4\|
43	The sum $$\frac{7}{8}+\frac{1}{9}$$ is between
44	If x = 1 - 3t and y = 2t - 1, then for what value of t does x = y?
45	$${1}-(\frac{1}{2}-\frac{2}{3})=$$
46	$$\frac{0.3^5}{0.3^3}=$$
47	In a horticultural experiment, 200 seeds were planted in plot I and 300 were planted in plot II. If 57 percent of the seeds in plot I germinated and 42 percent of the seeds in plot II germinated, what percent of the total number of planted seeds germinated?
48	In the figure above, if $$\overline{AB}\|\|\overline{CE}$$, CE = DE, and y = 45, then x =
49	How many integers n are there such that 1 < 5n + 5 < 25 ?
50	If y is an integer, then the least possible value of \|23 - 5y\| is
51	$$(\sqrt{7}+\sqrt{7})^{2}$$
52	In a certain population, there are 3 times as many people aged 21 or under as there are people over 21. The ratio of those 21 or under to the total population is
53	In the figure above, the value of y is
54	$$\sqrt{80}+\sqrt{125}=$$
55	Kelly and Chris packed several boxes with books. If Chris packed 60 percent of the total number of boxes, what was the ratio of the number of boxes Kelly packed to the number of boxes Chris packed?
56	Of the following, which is the closest approximation of $${50.2}*\frac{0.49}{199.8}$$
57	The average (arithmetic mean) of 10, 30, and 50 is 5 more than the average of 20, 40, and
58	y=kx+3In the equation above, k is a constant. If y = 17 when x = 2, what is the value of y when x = 4 ?
59	Each week, Harry is paid x dollars per hour for the first 30 hours and 1.5x dollars for each additional hour worked that week. Each week, James is paid x dollars per hour for the first 40 hours and 2x dollars for each additional hour worked that week. Last week James worked a total of 41 hours. If Harry and James were paid the same amount last week, how many hours did Harry work last week?
60	A glass was filled with 10 ounces of water, and 0.01 ounce of the water evaporated each day during a 20-day period. What percent of the original amount of water evaporated during this period?