LSAT 34, Logical Reasoning II, Q3, LSATHacks

LR Question 3 Explanation, by LSATHacks

QUESTION TEXT: Sigatoka disease drastically reduces the yield of…

QUESTION TYPE: Necessary Assumption

CONCLUSION: Most of the world’s bananas are not really threatened by Sigatoka disease

REASONING: Sigatoka disease can be prevented using a fungicide. The fungicides are only suitable for bananas plantations away from where humans live. Fortunately most large plantations are in locations where the fungicides can be used safely.

ANALYSIS: This argument sounds good. But it didn’t say most bananas are grown where the fungicide can be used. It said most large banana plantations are located in those areas.

If most bananas are grown in small groves where we can’t use the fungicide then we are in trouble.

___________

1. This would be helpful for the future, but for now the fungicide should keep most bananas safe.
2. CORRECT. If this isn’t true then it could be that most bananas grow in areas where we can’t use the fungicide. 
3. It doesn’t really matter how fast the disease spreads as long as we can kill it with fungicides.
4. The conclusion is specifically about the threat from Sigatoka disease. Other diseases don’t matter.
5. It doesn’t matter whether or not the trees have been exposed as long as the fungicide can do its job. 

Hi, I'm Graeme Blake

Founder of LSAThacks; I scored a 177 on the LSAT.

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