Logical Reasoning

PT16 · S2 · Q3 Although water in deep aquifers

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Although water in deep aquifers does not contain disease‐causing bacteria, when public water supplies are drawn from deep aquifers, chlorine is often added to the water as a disinfectant because contamination can occur as a result of flaws in pipes or storage tanks.

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

3.

Which one of the following can properly be concluded from the information given above?

  1. A municipality’s initial decision whether

    Trap

    14% picked this

  2. Water in deep aquifers does

    Trap

    1% picked this

  3. Where accessible, deep aquifers are

    Trap

    1% picked this

  4. Correct

    The regional government’s standards allow

    Why this is right

    Answer D is correct.

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

    81% picked this

  5. Chlorine is the least effective

    Trap

    4% picked this

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