Logical Reasoning

PT106 · S3 · Q19 On a certain day, nine scheduled

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On a certain day, nine scheduled flights on Swift Airlines were canceled.

Your task

Find the assumption the argument requires in order for its conclusion to hold.

Common trap

Answers that would help the argument but aren't strictly required (sufficient, not necessary).

Winning move

Negate each choice — the right one breaks the argument when negated.

19.

The argument depends on which one of the following assumptions?

  1. Correct

    More than one or two

    Why this is right

    Answer A is correct.

    Skill tested: Necessary Assumption · how this choice captures the argument's function is the move to repeat next time.

    81% picked this

  2. Swift Airlines has fewer mechanical

    Trap

    4% picked this

  3. Each of the canceled flights

    Trap

    1% picked this

  4. Swift Airlines had never before

    Trap

    9% picked this

  5. All of the airplanes scheduled

    Trap

    5% picked this

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