GMAT Data Sufficiency Practice Questions

Must solve GMAT Data Sufficiency practice questions. The categorization of the topic in which the question is selected from and the concept tested are listed in the right column for each question. For each question detailed explanatory answers, solution videos and slide decks are provided. The questions cover all areas tested in the GMAT quant sections viz., algebra, arithmetic, geometry and word problems.

  • 1
  • Is x3 > x2 Statement 1: x > 0
    Statement 2: x < 1
  • Algebra
  • Inequalities
  • Exponents
  • Correct AnswerChoice (B).
    Statement (2) alone is sufficient; statement (1) is not.
    Correct answer

Solution

  • 2
  • If m and n are non-zero integers, is mn > nn? Statement 1: |m| = n
    Statement 2: m < n
  • Algebra
  • Inequalities
  • Exponents & Absolute Value
  • Correct AnswerChoice (A).
    Statement (1) alone is sufficient; statement (2) is not.
    Correct answer

Solution

  • 3
  • What is the remainder when the positive integer x is divided by 6? Statement 1: When x is divided by 7, the remainder is 5.
    Statement 2: When x is divided by 9, the remainder is 3.
  • Number Properties
  • Remainders
  • Correct AnswerChoice (E).
    Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
    Correct answer

Solution

  • 4
  • A candy manufacturer decided to decrease the weight of each candy bar, while retaining the price. By how many cents did the per kilogram cost of candy change after the reduction in weight? Statement 1: The weight of each piece of candy bar reduced by 9 grams.
    Statement 2: The weight of each piece of candy bar reduced by 9%
  • Word Problems
  • Ratios, Percents, Fractions
  • Correct AnswerChoice (E).
    Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
    Correct answer

Solution

  • 5
  • a, b, and c are sides of a right triangle. What is the area of the triangle? Statement 1: a = 4.
    Statement 2: a + b + c = 4.
  • Geometry
  • Right Triangles
  • Correct AnswerChoice (C).
    Statements (1) and (2) TOGETHER are sufficient to answer the question asked.
    Correct answer

Solution