Logical ReasoningDifficulty: Easy

PT133 S2 Q3 Explanation

Safety considerations aside, nuclear

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

TopicsStrengthen

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Stimulus

Safety considerations aside, nuclear power plants are not economically feasible. While the cost of fuel for nuclear plants is significantly lower than the cost of conventional fuels, such as coal and oil, nuclear build than are conventional power plants.

What this question is testing

Strengthen

Your task

Find the choice that makes the argument's conclusion more likely to be true.

Common trap

Answers that are consistent with the argument but add no real support, or that strengthen a claim the argument doesn't make.

Winning move

Locate the gap between evidence and conclusion, then pick the choice that closes it.

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

The question
3.

Which one of the following, if true, most strengthens

Answer choices

  1. Too Weak4% picked this

    Safety regulations can increase the costs of running both conventional and

    This applies to both nuclear and conventional power plants.

  2. Weakens3% picked this

    Conventional power plants spend more time out of service than do

    This would make nuclear power plants more competitive with conventional power plants.

  3. Correct89% picked this

    The average life expectancy of a nuclear power plant is shorter than that of

    Why this is right

    This increases the construction costs relative to other costs as a measure of the total cost when measuring the economic feasibility of nuclear power.

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

  4. Out of Scope - Temporal1% picked this

    Nuclear power plants cost less to build today than they cost to build when their

    The argument is about the economic feasibility of nuclear power plants today, so information about how the construction costs of nuclear power plants have fallen over time is not relevant.

  5. Out of Scope - Temporal4% picked this

    As conventional fuels become scarcer their cost will increase dramatically, which will increase the cost of running

    The argument is about the economic feasibility of nuclear power plants today, so information about the cost of conventional fuels in the future is not relevant.

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