GRE Practice Test Quantitative Reasoning Section 5 Part 4

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These are explanations and step by step solutions for the second edition of the ETS Practice Book for the Paper-Based GRE Revised General Test (Quantitative Reasoning Section 5).

GRE Practice Test Second Edition - Complete Paper (pdf)

Questions 10 to 25 have several different formats. Unless otherwise directed, select a single answer choice.

For Numeric Entry questions, follow the instructions below.
Numeric Entry Questions
To answer these questions, enter a number by filling in circles in a grid.

• Your answer may be an integer, a decimal, or a fraction, and it may be negative.
• Equivalent forms of the correct answer, such as 2.5 and 2.50, are all correct. Fractions do not need to be reduced to lowest terms, though you may need to reduce your fraction to fit in the grid.
• Enter the exact answer unless the question asks you to round your answer.
• If a question asks for a fraction, the grid will have a built-in division slash (/). Otherwise, the grid will have a decimal point available.
• Start your answer in any column, space permitting. Fill in no more than one circle in any column of the grid. Columns not needed should be left blank.
• Write your answer in the boxes at the top of the grid and fill in the corresponding circles. You will receive credit only if the circles are filled in correctly, regardless of the number written in the boxes at the top.

GRE Practice Test Second Edition. (Quantitative Reasoning Section 5 solution for question 14)

List L: 2, x, y
List M: 1, 2, 3, x, y
14. If the average (arithmetic mean) of the 3 numbers in list L is 10/3 , what is the average of the 5 numbers in list M ?
Give your answer as a fraction.

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GRE Practice Test Second Edition. (Quantitative Reasoning Section 5 solution for question 15)

For the following question, select all the answer choices that apply.
15. Which of the following inequalities have at least one positive solution and at least one negative solution?
Indicate all such inequalities.
A. 5/3x < x
B. x³ < x
C. x - 6 < x - 7

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GRE Practice Test Second Edition. (Quantitative Reasoning Section 5 solution for question 16)

16. If (5^5x)(25) = 5ⁿ, where n and x are integers, what is the value of n in terms of x ?
    A. 5x + 1
    B. 5x + 2
    C. 5x + 5
    D. 10x
    E. 10x + 2

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GRE Practice Test Second Edition. (Quantitative Reasoning Section 5 solution for question 17)

17. What is the median of the percent values representing gasoline tax revenue as a percent of total retail gasoline sales for the nine countries listed in the bar graph?
    A. 67.6%
    B. 68.0%
    C. 70.0%
    D. 70.7%
    E. 72.7%

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