A jar contains 6 red marbles and 4 blue marbles. If two marbles are drawn randomly from the jar without replacement, what is the probability that both marbles drawn are red?

A 1/3

B 1/5

C 3/5

D 7/15

✓ Correct Answer: Option A

The probability of drawing the first red marble is 6/10. After one red marble is removed, there are 5 red marbles left out of 9 total. The probability of drawing a second red marble is 5/9. The combined probability is (6/10) * (5/9) = 30/90 = 1/3.

💡 Why is A) the correct answer?

The correct answer to the question "A jar contains 6 red marbles and 4 blue marbles. If two marbles are drawn randomly from the jar without replacement, what is the probability that both marbles drawn are red?" is Option A: 1/3.

The other options — B) 1/5, C) 3/5, D) 7/15 — are incorrect for this GMAT Exam Prep question. As explained above: The probability of drawing the first red marble is 6/10. After one red marble is removed, there are 5 red marbles left out of 9 total. The probability of drawing a second red marble is 5/9. The combi…

📚 About This GMAT Exam Prep Practice Question

This 2-level GMAT Exam Prep question from the Data Insights 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 GMAT Exam Prep practice test or use flashcards for spaced repetition review.

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A jar contains 6 red marbles and 4 blue marbles. If two marbles are drawn randomly from the jar without replacement, what is the probability that both marbles drawn are red?

✓ Correct Answer: Option A

📚 About This GMAT Exam Prep Practice Question

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