Free Practice Question
PS · Problem Solving
705-805
Arithmetic
Erina has a bag that starts with 50 marbles in it: 10 green marbles and 40 purple marbles. She wants to increase the ratio of green to purple marbles by adding some more marbles to the bag. Which of the following additions would increase this ratio?
I. 3 green and 1 purple
II. 1 green and 3 purple
III. 3 green and 3 purple
I. 3 green and 1 purple
II. 1 green and 3 purple
III. 3 green and 3 purple
Answer Choices
Sign in to reveal the correct answerA
None would increase the ratio
B
I only
C
I and II only
D
I and III only
E
I, II, and III
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
Sign in to join the discussion
No comments yet
Be the first to share your thoughts and help others understand it better.
Sign in to commentDetails
Difficulty
705-805
Type
PS
Category