OG19新题 题目总数：142 做题总人数：10201 平均准确率：76.8%
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.
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In the figure shown, is || ?(1) r = s(2) t = u
来源：OG21新题 812人已做 600难度 91.4%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 688人已做 其他难度 61.5%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 691人已做 其他难度 74.8%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 665人已做 其他难度 51.6%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 680人已做 其他难度 89%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 670人已做 其他难度 81.2%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?
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If the units digit of is 6, what is the value of k ?
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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 791人已做 其他难度 79.8%正确率
IF(15 )m(14 )18=12(10)35 ,then m=
Which of the following, if true, would most clearly undermine the possible explanation for the whirling gas in M87 that is mentioned in the last sentence of the first paragraph?
Appearing to be the only candidate whose views would be acceptable to its membership, the Youth Canorous finally endorsed George for city council.
【OG20-P276-276题】Robin invested a total of $12,000 in two investments, X and Y, so that the investments earned the same amount of simple annual interest .How many dollars did Robin invest in investment Y ?(1)Investment X paid 3 percent simple annual interest, and investment Y paid 6 percent simple annual interest.(2)Robin invested more than $1,000 in investment X.
By pressing a tiny amount of nitrogen between two diamonds to a pressure of 25 million pounds per square inch, scientists not only were able to transform the gas into a solid, but they also created a semiconductor similar to silicon.
Of the books standing in a row on a shelf, an atlas is the 30th book from the left and the 33rd book from the right. If 2 books to the left of the atlas and 4 books to the right of the atlas are removed from the shelf, how many books will be left on the shelf?
【OG20-P417-499题】The author asserts which of the following about Arboria's trade policy?
【OG20-P288-399题】A tank is filled with gasoline to a depth of exactly 2 feet. The tank is a cylinder resting horizontally on its side, with its circular ends oriented vertically. The inside of the tank is exactly 6 feet long. What is the volume of the gasoline in the tank?(1) The inside of the tank is exactly 4 feet in diameter.(2) The top surface of the gasoline forms a rectangle that has an area of 24 square feet.
The passage suggests that in the study mentioned in highlight the method for gathering information about security of land tenure reflects which of the following pairs of assumptions about Tawahka society?
If there are more than two numbers in a certain list, is each of the numbers in the list equal to 0 ?(1) The product of any two numbers in the list is equal to 0. (2) The sum of any two numbers in the list is equal to 0.