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DS - Set 25 Math

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Source: — Data Sufficiency |
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by drhomler » Tue Jun 12, 2007 1:46 pm
If X were not an integer than X^3 could be a fraction such that the cubed root of x were equal to 1/2 and Y=10. Or if x were an integer than y=5 without knowing that the data is insufficient. That is the best I can come up with not sure if it is correct, but I think so.
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by Prasanna » Tue Jun 12, 2007 3:54 pm
drhomler wrote:If X were not an integer than X^3 could be a fraction such that the cubed root of x were equal to 1/2 and Y=10. Or if x were an integer than y=5 without knowing that the data is insufficient. That is the best I can come up with not sure if it is correct, but I think so.
One way of looking at this could be to factorize 5000 which is 2*2*2*5*5*5*5. When we consider both the statements, we know that both x and y should be positive numbers and hence y=5
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