GRE Section 2 Quantitative

GRE Section 2 Quantitative practice questions, page 10 of 17, with answer review and explanations.

Question 46

A. The quantity in Column A is greater; B. The quantity in Column B is greater; C. The quantities are equal; D. The relationship cannot be determined from the information given. Reveal Solution Hide Solution Discussion 241 Suggested Answer: C 🗳️ Theres no need to perform any calculations here. Comparing one cube-box with the other, notice that all measurements are proportional. Hence the number of cubes that can be packed into the boxes must be the same.

  1. The quantity in Column A is greater;
  2. The quantity in Column B is greater;
  3. The quantities are equal;
  4. The relationship cannot be determined from the information given.

Question 47

A. The quantity in Column A is greater; B. The quantity in Column B is greater; C. The quantities are equal; D. The relationship cannot be determined from the information given. A Reveal Solution Hide Solution Discussion 241 Suggested Answer: Explanation 🗳️ To add two fractions having a common denominator, you add numerators not denominators. Hence, . Youll find that its impossible to equate with and so the two quantities cannot be equal. Since x >0, you can cancel across columns, leaving an inequality in which Quantity Quantity B:

  1. The quantity in Column A is greater;
  2. The quantity in Column B is greater;
  3. The quantities are equal;
  4. The relationship cannot be determined from the information given. A

Question 48

A. The quantity in Column A is greater; B. The quantity in Column B is greater; C. The quantities are equal; D. The relationship cannot be determined from the information given. Reveal Solution Hide Solution Discussion 241 Suggested Answer: C 🗳️ In Quantity A, divide by subtracting the denominator exponent from the numerator exponent: In Quantity B, combine by adding exponents: . You can now see that Quantity A equals Quantity B.

  1. The quantity in Column A is greater;
  2. The quantity in Column B is greater;
  3. The quantities are equal;
  4. The relationship cannot be determined from the information given.

Question 49

A. The quantity in Column A is greater; B. The quantity in Column B is greater; C. The quantities are equal; D. The relationship cannot be determined from the information given. Reveal Solution Hide Solution Discussion 241 Suggested Answer: B 🗳️ To make the comparison, apply prime factorization: As you can see, the greatest prime factor of 99 is 11, and the greatest prime factor of 39 is 13. Therefore, Quantity B. Quantity A

  1. The quantity in Column A is greater;
  2. The quantity in Column B is greater;
  3. The quantities are equal;
  4. The relationship cannot be determined from the information given.

Question 50

A. The quantity in Column A is greater; B. The quantity in Column B is greater; C. The quantities are equal; D. The relationship cannot be determined from the information given. D Reveal Solution Hide Solution Discussion 241 Suggested Answer: Explanation 🗳️ The problem does not provide the actual weight of any of the three horses, and so it is impossible to make the comparison.

  1. The quantity in Column A is greater;
  2. The quantity in Column B is greater;
  3. The quantities are equal;
  4. The relationship cannot be determined from the information given. D