GMAT综合推理IR图表和表格类难题实例分析思路讲解
- 2016年11月16日14:55 来源:小站整理
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在GMAT综合推理的4大题型中,图表题和表格题一般来说是难度较低的,但世事无绝对,这两类题型中偶尔也会出现一些难度较高的题目。而对于难题,提前熟悉了解解题思路就很有必要了。下面小编就通过两道真实难题,为大家做具体分析介绍。GMAT综合推理4大题型解题思路汇总
GMAT综合推理表格类难题
The table below estimates XTO Energy's Natural Gas reserves, production, and revenue for years 1 through 12.
Beginning reserves and annual production are measured in Billions of cubic feet (Bcf). Price is sold at dollar per Million cubic feet. Revenue is measured in millions of dollars ($ M).
For each of the following statements, select True if the statement can be verified to be true based on the information provided. Otherwise, select False.
1. In at least 1 year, the annual production exhausted the entire supply of reserves remaining for XTO Energy.
2. The rate of production annually is estimated to increase then decrease over years 1 through 12
3. Cumulative revenue expected over years 1 through 12 is no more than $80M
正确答案:
T、T、F
题目解析:
图表信息展示的是 XTO公司1-12年,每年年初的库存量,当年的产量,平均价格和收入。
第一问问的是:XTO公司当年的生产时,把公司供应的原材料用完了,对应到图表上就是问的,当年的产量是否大于当年年初的库存量,如果大于等于,那就表示用完了库存量,如果小于,那就没有用完。最后一年,两个数字相等,所以存在,所以应该选T。
第二问:rate of production和产量是呈正比的,产量是先增后减,所以答案是T
第三问:把最后一列1-12年的revenue的整数加起来是80,所以肯定大于80,答案是F
GMAT综合推理图表类难题
The graph models the hypothetical mass, in kilograms, of a Tyrannosaurus rex up to 30 years of age. Points A, B, and C represent the masses for a Tyrannosaurus rex at ages 12,16, and 20, respectively, according to the model.
From each drop-down menu, select the option that creates the most accurate statement based on the information provided.
For integer values of the age from 12 to 30, the average (arithmetic mean) mass falls approximately between __1__ kilograms.
The percent change in the mass from age 12 to age 16 is approximately __2__ the percent change in the mass from age 16 to age 20.
1.
A 2,000 and 3,000
B 3,000 and 4,000
C 4,000 and 5,000
2.
A equal to
B 2 times
C 3 times
正确答案:
C C
解题思路:
1. 12到20, 平均数约为3000,总计为3000*9=27000;21到30,平均数约为5500,总计为5500*10=55000。
因此总平均数约为27000+55000/19,约等于4300,超过4000,所以选C。
2. A到B的增长率为2000/1000=200%=2;B到C的增长率为2000/3000=2/3。
因此增长率比值为2/(2/3)=3倍,所以选C。
以上就是小编为大家带来的GMAT综合推理图表和表格类难题真题讲解,希望通过上文介绍,大家能够对IR的解题思路有进一步的认识,在之后的复习过程中做好综合推理部分的备考练习。
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