LSAT 21 | Section 3 | Logical Reasoning: Q8

LR Question 8 Explanation

QUESTION TEXT: A “smart highway” system should be installed, one that would…

QUESTION TYPE: Necessary Assumption

CONCLUSION: Eve thinks we should install a “smart” highway system.

REASONING: Such a system would improve congestion.

ANALYSIS: The right answer is pretty blunt: Eve is assuming that improvement is possible.

___________

1. Eve’s idea might still work if vehicles broke down. She’s arguing a “smart” system would improve congestion. It doesn’t have to make everything perfect.
2. It doesn’t matter if traffic flow is assured by lights or by some other system. It just needs to be assured somehow.
3. CORRECT. If improvement is impossible then it’s hard to see what good a smart system could do.
4. Eve’s argument would be fine if the equipment was the same in each city.
5. Eve’s argument would be stronger if old vehicles could take part in the system.

Recap: The question begins with “A “smart highway” system should be installed, one that would”. It is a Necessary Assumption question. Learn more about LSAT Necessary questions in our guide to LSAT Logical Reasoning question types.