OG19新题 题目总数：142 做题总人数：6301 平均准确率：73.6%
The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is
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If M is the least common multiple of 90, 196, and 300, which of the following is NOT a factor of M?
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If n is a positive integer, then n(n + 1)(n + 2) is
来源：精选题库 2315人已做 650难度 71.7%正确率
The sum of prime numbers that are greater than 60 but less than 70 is
来源：OG16 、精选题库 2306人已做 600难度 82.3%正确率
A gym class can be divided into 8 teams with an equal number of players on each team or into 12 teams with an equal number of players on each team. What is the lowest possible number of students in the class?
来源：OG16 、精选题库 2208人已做 650难度 92.2%正确率
If n is an integer greater than 6, which of the following must be divisible by 3?
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In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?
来源：OG16 、精选题库 2579人已做 650难度 80.5%正确率
A necklace is made by stringing N individual beads together in the repeating pattern red bead, green bead, white bead, blue bead, and yellow bead. If the necklace design begins with a red bead and ends with a white bead, then N could equal
来源：精选题库 2215人已做 600难度 82.1%正确率
When positive integer x is divided by positive integer y, the remainder is 9. If x/y= 96.12, what is the value of y ?
来源：精选题库 2518人已做 680难度 83.2%正确率
If y is the smallest positive integer such that 3,150 multiplied by y is the square of an integer, then y must be
来源：OG16 、GWD 、精选题库 2453人已做 680难度 74.8%正确率
According to the passage, a major concern of the unenthusiastic book reviewers mentioned in line 33 was to
According to the passage, book review editors pay attention to all of the following in deciding which books should be reviewed in their publications EXCEPT
The passage suggests that, in comparison with the hominid australopithecines, modern humans are
According to the passage, the hominid australopithecine most closely resembled a modern human with respect to which of the following characteristics?
Since 1978 when the copyright law was changed, books that are less than fifty years old must not be photocopied without the publisher’s permission. Thus, any book that has been photocopied since 1978 without the publisher’s permission must be at least fifty years old. The reasoning above exhibits a flaw similar to one in which of the following?
Shirla: In figure skating competitions that allow amateur and professional skaters to compete against each other, the professionals are bound to have an unfair advantage. After all, most of them became professional only after success on the amateur circuit. Ron: But that means that it’s been a long time since they’ve had to meet the more rigorous technical standards of the amateur circuit. Which of the following is most likely a point at issue between Shirla and Ron?
After determining the levels of calcium carbonate and the types of fossilized algae present in core samples taken from the bottom of Lake Titicaca in the Andes, a group of scientists was able to reconstruct the history of precipitation in tropical South America over the past 25,000 years.
Researchers in City X recently discovered low levels of several pharmaceutical drugs in public drinking water supplies. However, the researchers argued that the drugs in the water were not a significant public health hazard. They pointed out that the drug levels were so low that they could only be detected with the most recent technology, which suggested that the drugs may have already been present in the drinking water for decades, even though they have never had any discernible health effects. Which of the following, if true, would most strengthen the researchers’ reasoning?
City resident: These new digital electronic billboards should be banned for light pollution since they are much too bright. Outdoor advertising spokesperson: No, that’s not true. Testing with a sophisticated light meter shows that at night they throw off less light than traditional billboards that are reflectively lit. Your mistaken perception that they are brighter comes from looking directly at the light source—the screen itself. The underlying strategy of the spokesperson’s response to the resident is most analogous to the underlying strategy of which of the following?
Consumer advocate: In our nation, food packages must list the number of calories per food serving. But most of the serving sizes used are misleadingly small and should be updated. The serving sizes were set decades ago, when our nation’s people typically ate smaller portions than they do today, and, as a result, people eating typical portions today consume more calories than the package labeling appears to indicate that they will. It is time package labeling reflected these changes. Which of the following is the main point of the consumer advocate’s argument?