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22 Feb 2017, 23:21
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D
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Difficulty:
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Question Stats:
78% (01:06) correct
22%
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wrong
based on 9
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At a laboratory, white rats are fed 6 pellets of food per day, and black rats are fed 8 pellets of food per day. If the laboratory fed a total of 120 pellets of food to white and black rats on a certain day, were more black rats than white rats fed?
(1) There are a total of 17 rats.
(2) There are 8 white rats.
(1) There are a total of 17 rats.
(2) There are 8 white rats.
Archived Topic
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This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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23 Feb 2017, 03:46
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(1) B + W = 17;
8B + 6W = 120;
Solving the two equations: 2B = 18;
So one can get the number of black and white rats. Hence, Sufficient.
(2)
There are 8 white rats;
Therefore, 6*8 + 8B = 120; Hence, Sufficient.
Answer D
Cheers.
8B + 6W = 120;
Solving the two equations: 2B = 18;
So one can get the number of black and white rats. Hence, Sufficient.
(2)
There are 8 white rats;
Therefore, 6*8 + 8B = 120; Hence, Sufficient.
Answer D
Cheers.
11 Dec 2021, 07:08
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Hello from the GMAT Club BumpBot!
Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
