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GRE GRE Test Exam Questions
Graduate Record Examination Test: Verbal, Quantitative, Analytical Writing (Page 13 )

Updated On: 10-Mar-2026
Page 13 of 119
PDF with 793 Questions



If the region representing nuclear power is a sector of a circle with radius x, which of the following is equal to the area of the sector?

  1. 0.065x2
  2. 0.0652x2
  3. 6.5x2
  4. (360)(0.0652)x2

Answer(s): E

Explanation:

According the formula for the area of a sector and since nuclear power represents 6.5% of total energy:





Note: Projections were made in the year 2000.

Approximately what is the projected average freshwater supply per person for the United States, in cubic feet? (1 cubic meter approximately equals 35.31 cubic feet.)

  1. 200
  2. 1,200
  3. 2,600
  4. 160,000
  5. 260,000

Answer(s): E

Explanation:

The average freshwater supply per person for the United States is 7.5 × 1000 = 7500 cubic meters.
Now, convert this to cubic feet using the conversion factor 1 cubic meter = 35.31 cubic feet:
7500 × 35.31 = 264,825 cubic feet
The calculated value is approximately 264,825 cubic feet, which is closest to 260,000 cubic feet.





Note: Projections were made in the year 2000.

The total freshwater supply projected for Mexico is approximately 30 times greater than the total freshwater supply projected for which country?

  1. China
  2. Egypt
  3. Malawi
  4. Tunisia
  5. United Kingdom

Answer(s): C

Explanation:

To determine the total freshwater supply projected for each country, we need to consider both the population and the average freshwater supply per person.
Mexico has a population of 100 million and an average freshwater supply of approximately 2.5 thousand cubic meters per person. The total freshwater supply for Mexico is:
100 million × 2.5 thousand cubic meter = 250 million cubic meters Next, we need to find the country whose total freshwater supply is approximately 30 times smaller than Mexico's.



Find the total freshwater supply for each country:

· China: Population 1,400 million, average freshwater supply 2.0 thousand cubic meters per person.
1,400 × 2.0 = 2800million cubic meters (that is greater than Mexico's) · Egypt: Population 100 million, average freshwater supply 0.5 thousand cubic meters per person.
100 × 0.5 = 50million cubic meters (that is 5 times smaller than Mexico's) · Malawi: Population 10 million, average freshwater supply 1.0 thousand cubic meters per person.
10 × 1.0 = 10million cubic meters (that is 25 times smaller than Mexico's) · Tunisia: Population 10 million, average freshwater supply 0.5 thousand cubic meters per person.
10 × 0.5 = 5million cubic meters (that is 50 times smaller than Mexico's) · United Kingdom: Population 60 million, average freshwater supply 1.0 thousand cubic meters per person.
60 × 1.0 = 60million cubic meters (that is 4 times smaller than Mexico's)





Note: Projections were made in the year 2000.

The average freshwater supply per person for the United States is projected to decrease 20 percent from 1997 to 2025. Based on the data, which of the following was closest to the average freshwater supply per person for the United States in 1997, in cubic meters?

  1. 6,000
  2. 8,200
  3. 8,800
  4. 9,400
  5. 9,900

Answer(s): D

Explanation:

From the chart, the average freshwater supply per person for the United States in 2025 is approximately 7.5 thousand cubic meters.
Given that the average freshwater supply per person for the United States is projected to decrease by 20% from 1997 to 2025, we can calculate the average freshwater supply per person for 1997.
Let x be the average freshwater supply per person in 1997. The supply is projected to decrease by 20%, so the average freshwater supply in 2025 is 80% of the value in 1997.
0.80 × x = 7.5



The value of x is approximately 9.375 thousand cubic meters, which is closest to 9,400 cubic meters.





In year Y, if the number of United States households was approximately 96 million and if 0.4 percent of the United States households that used oil as a type of heating were in City C, approximately how many households in City C used oil as a type of heating?

  1. 50,300
  2. 384,000
  3. 503,040
  4. 5,030,400
  5. 38,400,000

Answer(s): A

Explanation:

To find the number of households in City C that used oil as a type of heating, follow these steps:
1. First, calculate the number of households in the United States using oil for heating:
Households using oil = 96 million × 13.1% = 96,000,000 × 0.131 = 12,576,000
2. Next, calculate 0.4% of these households to find how many are in City C:
Households in City C = 12,576,000 × 0.004 = 50,304
So, approximately 50,300 households in City C used oil as a type of heating.



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