PT146.S3.Q13 > Explanation

SECTION 1 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 2 · lr

SECTION 3 · lr

SECTION 4 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6

PASSAGE 2

Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14

PASSAGE 3

Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22

PASSAGE 4

Question 23 Question 24 Question 25 Question 26 Question 27

(A) presents a conditional chain (Chocolate Dessert→High Calories→Fattening), and then validly concludes that the first variable leads to the last variable.

Mismatched premises and conclusion. (B) presents two conditional statements that each lead to the same necessary condition. It then invalidly concludes that one of the sufficient conditions leads to the other sufficient condition. The stimulus, meanwhile, presents a conditional chain before validly concluding that the first variable leads to the last variable.

Mismatched premises and conclusion. (C) presents two conditional statements that each have the same sufficient condition (desserts high in calories), before invalidly concluding that one of the necessary conditions leads to the other necessary condition. The stimulus, meanwhile, presents a conditional chain before validly concluding that the first variable leads to the last variable.

Mismatched conclusion. (D) presents a conditional chain (Chocolate Dessert→High Calories→Fattening), before invalidly concluding that the last variable leads to the first. The stimulus, however, presents a conditional chain before validly concluding that the first variable leads to the last, so (D) is backwards.

(E) presents a conditional statement and a “some” statement, before combining them to form an invalid “some” conclusion. The stimulus, however, presents a conditional chain before validly concluding that the first variable leads to the last variable.

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PrepTest 146 - Section 3 - Question 13

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