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GMAT Critical Reasoning — practice questions

Explore 12 free Critical Reasoning questions in GMAT Verbal Reasoning. Open each question or exercise to read its content, reference answers and available explanation.

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Critical Reasoning questions and exercises with answers

Showing questions 1–12 of 12.

A company's cost per unit rose while its selling price per unit stayed the same. It follows that the profit per unit:Read the answer and worked solution →GMAT · Verbalability · Critical Reasoning — Argument PartsRead the answer and worked solution →GMAT · Verbalability · Logical Fallacy — Odd One OutRead the answer and worked solution →Match each core element of an argumentative structure with its analytical definition:Read the answer and worked solution →Match each Critical Reasoning question stem with its required logical objective:Read the answer and worked solution →Match each classical formal fallacy with its flawed reasoning pattern:Read the answer and worked solution →Match each boldface argument role with its structural function in the passage:Read the answer and worked solution →Editorial: Over the past five years, city buses that installed interior security cameras recorded 40% fewer passenger altercations than buses without cameras. Therefore, installing security cameras on all remaining city buses will significantly improve transit safety across the municipal fleet. Which of the following, if true, most seriously weakens the editorial's argument?Read the answer and worked solution →Botanist: Plant species X synthesizes high levels of toxic alkaloid compounds only when exposed to soil containing high concentrations of zinc. Therefore, finding species X in a meadow indicates that the meadow's soil contains high concentrations of zinc. The botanist's argument is vulnerable to criticism on the grounds that it assumes that:Read the answer and worked solution →Economist: Last year, Country Y eliminated tariffs on imported solar panels. In the subsequent twelve months, domestic solar installations increased by 65%. Opponents claimed domestic manufacturers would collapse, but domestic panel production actually grew by 10%. Which of the following, if true, most helps to resolve the apparent paradox regarding domestic panel production?Read the answer and worked solution →Paleontologist: Fossilized tooth wear patterns in ancient hominid species H show micro-striations identical to those found in primates that consume exclusively abrasive fibrous roots. Therefore, species H must have relied on fibrous roots as its primary dietary staple. Which of the following, if true, most seriously undermines the paleontologist's conclusion?Read the answer and worked solution →Medical Researcher: Patients receiving Drug Z for hypertension exhibited a 25% lower incidence of stroke over three years compared to a control group receiving standard therapy. However, the trial researchers monitored Drug Z patients every two weeks, while control patients were examined only every six months. This discrepancy in monitoring frequency suggests that the reported difference in stroke incidence may be due to:Read the answer and worked solution →

Worked practice questions

A company's cost per unit rose while its selling price per unit stayed the same. It follows that the profit per unit:

  1. increased
  2. decreased
  3. became zero
  4. stayed the same
Show answer and solution

Correct answer: B. decreased

Unchanged price with higher unit cost necessarily lowers profit per unit.

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GMAT · Verbalability · Critical Reasoning — Argument Parts

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Matching pairs
  1. Left
    Conclusion
    Right
    The main claim of the argument
  2. Left
    Premise
    Right
    Evidence supporting the conclusion
  3. Left
    Assumption
    Right
    Unstated belief required for the argument
Instructions
Match each CR term to its definition.

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GMAT · Verbalability · Logical Fallacy — Odd One Out

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Questions
  1. Items
    1. Ad Hominem
    2. Modus Ponens
    3. Strawman
    4. Slippery Slope
    Reason
    Modus Ponens is a VALID deductive form; the others are fallacies.
    Odd item
    Modus Ponens
  2. Items
    1. Hasty Generalisation
    2. Sample Bias
    3. Confounding
    4. Survivorship Bias
    Reason
    Confounding is a statistical issue; the others are sampling fallacies.
    Odd item
    Confounding
  3. Items
    1. Correlation ≠ Causation
    2. Post Hoc
    3. False Cause
    4. Necessary Condition
    Reason
    Necessary Condition is a valid logical term; the others are causal fallacies.
    Odd item
    Necessary Condition
  4. Items
    1. Devil's Advocate
    2. Begging the Question
    3. Circular Reasoning
    4. Petitio Principii
    Reason
    Devil's Advocate is a rhetorical strategy; the others are the same fallacy.
    Odd item
    Devil's Advocate
Instructions
Tap the term that doesn't belong with the others.

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More Verbal Reasoning topics

Text CompletionVerbal AbilityStandard EnglishVocabularyGreek and Latin RootsExpression of IdeasGrammar and VocabularySentence Equivalence