Logical ReasoningDifficulty: Easy

PT9 S4 Q15 Explanation

New types of washing machines

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsParallel

Keep going in LSAT Lab

  • Save & drill this skill build targeted practice sets from questions like this one

  • Video walkthroughs watch every question solved step by step

  • 81 official LSATs as questions, timed sections & full-length tests

Full official LSAT questions are available through LawHub. This page provides LSAT Lab's explanation, strategy, and review tools without republishing the full official question.

Stimulus

New types of washing machines designed to consume less energy also extract less water from laundry during their final spin cycles than do washing machines that consume somewhat more energy. The wetter the laundry, the more energy required to dry it in an automatic dryer. Thus using these new types of washing energy needed to wash and dry a load of laundry.

What this question is testing

Parallel

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.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
15.

In which one of the following is the pattern of reasoning most parallel to that in

Answer choices

  1. Trap3% picked this

    The more skill required to operate a machine, the harder it is to find people able to do it, and thus the more those

  2. Trap1% picked this

    There are two routes between Centerville and Mapletown, and the scenic route is the longer route. Therefore, a person who is not concerned with

  3. Trap4% picked this

    The more people who work in the library’s reading room, the noisier the room becomes; and the noisier the working environment, the less efficiently

  4. Correct87% picked this

    Pine is a less expensive wood than cedar but is more susceptible to rot. Outdoor furniture made from wood susceptible to rot must be

    Why this is right

    Answer D is correct.

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

  5. Trap4% picked this

    The more weights added to an exercise machine, the greater the muscle strength needed to work out on the machine. Up to a point,

Continue the review in LSAT Lab

Save this question, watch the video walkthrough, and drill similar questions in your LSAT Lab account.

LSAT Lab

Turn this review into a targeted study plan.

Save this question, drill more like it, watch the video walkthrough, and track your progress in your LSAT Lab account.

Start practicing free