OG19新题 题目总数：142 做题总人数：8846 平均准确率：75.8%
In 1913, the largely self- taught Indian mathematician Srinivasa Ramanujan mailed 120 of his theorems to three different British mathematicians;only one, G. H. Hardy, recognized the brilliance of these theorems, but thanks to Hardy’s recognition, Ramanujan was eventually elected to the Royal Society of London.
来源：精选题库 415人已做 650难度 63.4%正确率
In the figure shown, is || ?(1) r = s(2) t = u
来源：OG21新题 472人已做 600难度 90.9%正确率
In the figure above, ABCD is a parallelogram and E is the midpoint of side AD. The area of triangular region ABE is what fraction of the area of quadrilateral region BCDE ?
来源：OG21新题 405人已做 其他难度 64.7%正确率
Did the population of Town C increase by at least 100 percent from the year 2000 to the year 2010 ?(1)The population of Town C in 2000 was 2/3 of the population in 2005.(2)The population of Town C increase by a greater number of people from 2005 to 2010 than it did from 2000 to 2005
来源：OG21新题 423人已做 其他难度 73.5%正确率
The outer dimensions of a closed rectangular cardboard box are 8 centimeters by 10 centimeters by 12 centimeters, and the six sides of the box are uniformly centimeter thick. A closed canister in the shape of a right circular cylinder is to be placed inside the box so that it stands upright when the box rests on one of its sides. Of all such canisters that would fit, what is the outer radius, in centimeters, of the canister that occupies the maximum volume?
来源：OG21新题 399人已做 其他难度 49.6%正确率
If the length of a diagonal of a square is , what is the area of the square in terms of x ?
来源：OG21新题 411人已做 其他难度 89.8%正确率
Last year Brand X shoes were sold by dealers in 403 different regions worldwide, with an average (arithmetic mean) of 98 dealers per region. If last year these dealers sold an average of 2,488 pairs of Brand X shoes per dealer, which of the following is closest to the total number of pairs of Brand X shoes sold last year by the dealers worldwide?
来源：OG21新题 408人已做 其他难度 80.6%正确率
Carol purchased one basket of fruit consisting of 4 apples and 2 oranges and another basket of fruit consisting of 3 apples and 5 oranges. Carol is to select one piece of fruit at random from each of the two baskets. What is the probability that one of the two pieces of fruit selected will be an apple and the other will be an orange?
来源：OG21新题 411人已做 其他难度 89.3%正确率
If the units digit of is 6, what is the value of k ?
来源：OG21新题 437人已做 其他难度 74.4%正确率
A certain state’s milk production was 980 million pounds in 2007 and 2.7 billion pounds in 2014. Approximately how many more million gallons of milk did the state produce in 2014 than in 2007 ? (1 billion = and 1 gallon = 8.6 pounds.)
来源：OG21新题 485人已做 其他难度 79.2%正确率
John, an expert in game theory, predicts that negotiations cannot be resolved unless one party is willing to concede a symbolic step. He also believes that when a symbolic step of concession is taken, negotiations will be resolved. Other game theory experts, however, believe that these results do not take other variables into account.Which of the following, if true, best supports the contention in the last sentence?
A group of paleontologists recently announced that a site in Utah has yielded fossils of some of the biggest armored dinosaurs ever found, and that they were at least 25 million years older than any similar dinosaur type previously found in North America.
In the past several years, astronomers have detected more than 80 massive planets, most of them as large or larger than Jupiter, which circle other stars.
According to scholars, the earliest writing was probably not a direct rendering of speech, but was more likely to begin as a separate and distinct symbolic system of communication, and only later merged with spoken language
The passage suggests that, with regard to the history of women’s education in the United States, Kerber’s work differs from Woody’s primarily concerning which of the following?
It can be inferred from the passage that the frequency with which pre-1830 cases have been cited in court decisions is an indication that
【OG20-P440-556题】The passage suggests that WIDC differed from WTUL in which of the following ways?
Before scientists learned how to make a synthetic growth hormone, removing it painstakingly in small amounts from the pituitary glands of human cadavers.
There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold, 9 times as many paperback copies as hardback copies were sold . If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold?
【OG20-P431-538题】It can be inferred from the passage that while inside its polyhedrin protein crystals, the nuclear polyhedrosis virus