Tasks P, Q, R, S must be completed in some order. P must be before R. Q must be before S. R must be before S. Which is a valid order?

A Q, P, S, R

B P, Q, R, S

C Q, S, P, R

D R, P, Q, S

✓ Correct Answer: Option B

Constraints: P < R, Q < S, R < S. So P < R < S and Q < S. B: P(1) < R(3) ✓, Q(2) < S(4) ✓, R(3) < S(4) ✓. Valid.

💡 Why is B) the correct answer?

The correct answer to the question "Tasks P, Q, R, S must be completed in some order. P must be before R. Q must be before S. R must be before S. Which is a valid order?" is Option B: P, Q, R, S.

The other options — A) Q, P, S, R, C) Q, S, P, R, D) R, P, Q, S — are incorrect for this LSAT Exam Prep question. As explained above: Constraints: P < R, Q < S, R < S. So P < R < S and Q < S. B: P(1) < R(3) ✓, Q(2) < S(4) ✓, R(3) < S(4) ✓. Valid.

📚 About This LSAT Exam Prep Practice Question

This 1-level LSAT Exam Prep question from the Analytical Reasoning topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free LSAT Exam Prep practice test or use flashcards for spaced repetition review.

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Tasks P, Q, R, S must be completed in some order. P must be before R. Q must be before S. R must be before S. Which is a valid order?

✓ Correct Answer: Option B

📚 About This LSAT Exam Prep Practice Question

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