A jar contains 4 red, 5 blue, and 6 green marbles. If 2 marbles are drawn without replacement, what is P(both red)?

A 2/35

B 16/225

C 4/15

D 1/15

✓ Correct Answer: Option A

P(both red) = (4/15)(3/14) = 12/210 = 2/35.

💡 Why is A) the correct answer?

The correct answer to the question "A jar contains 4 red, 5 blue, and 6 green marbles. If 2 marbles are drawn without replacement, what is P(both red)?" is Option A: 2/35.

The other options — B) 16/225, C) 4/15, D) 1/15 — are incorrect for this GRE Exam Prep question. As explained above: P(both red) = (4/15)(3/14) = 12/210 = 2/35.

📚 About This GRE Exam Prep Practice Question

This 2-level GRE Exam Prep question from the Quantitative 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 GRE Exam Prep practice test or use flashcards for spaced repetition review.

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A jar contains 4 red, 5 blue, and 6 green marbles. If 2 marbles are drawn without replacement, what is P(both red)?

✓ Correct Answer: Option A

📚 About This GRE Exam Prep Practice Question

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