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jaydeer44
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 Posted: Fri May 09, 2008 2:25 pm Post subject: GMATPrep Question |
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Can someone help explain how to solve this problem? The Answer is E.
Machines X and Y work at their respective constant rates. How many more hours does it take machine Y, working alone, to fill a production order of a certain size than it takes machine X, working alone?
(1) Machines X and Y, working together, fill a production order of this size in two-thirds the time that machine X, working alone, does.
(2) Machine Y, working alone, fills a production order of this size in twice the time that machine X, working alone, does. |
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akshatsingh
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| Posted: Sun May 11, 2008 11:09 pm Post subject: |
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I think both the statements will only give the ratio, of times of X and Y and not necessarily the exact time taken by each.
The answer should be E.
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