Free LSAT Practice Question

Question 1 of 1
ID: LSAT-LR-044
Section: Logical Reasoning
Topic: Parallel flaw in the argument
Difficulty level: Easy

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Everyone who has been inside the vault this year has signed the register at the door, without exception. The auditor's name appears in the register. So the auditor has been inside the vault.

The flawed reasoning above is most similar to that in which one of the following?

AEveryone who has been inside the vault this year has signed the register, without exception. The clerk's name does not appear there, so the clerk has not been inside the vault.

BEvery member of the choir owns a black folder. Ravi is a member of the choir, so Ravi owns a black folder.

CEvery member of the choir owns a black folder. Ravi owns a black folder, so Ravi is a member of the choir.

DEvery member of the choir owns a black folder. Ravi is not a member, so Ravi does not own a black folder.

EMost people who have been inside the vault this year signed the register at the door, though a few did not. The auditor signed the register, so she was probably inside the vault.

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