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Interesting GMATFix Problem-25

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by arora007 » Tue Sep 21, 2010 1:02 pm
Is 4% of x a multiple of 60?
1)30% of x is a multiple of 5
2)7x/60 is an integer
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Source: — Data Sufficiency |
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by clock60 » Tue Sep 21, 2010 2:05 pm
is (4*x)/(100*60)=k where k integer, or is x/(1500)=k

(1) (30*x)/(100*5)=a where a is an integer, (3x/50)=a, it means that x is multiple of 50, insufficient

(2) 7x/60=integer, so x is multiple of 60 insufficient

both x is multiple of LCM(50,60) or x is multiple of 300, but not sure that x is multiple of 1500,also insufficient
my pick for E
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by arora007 » Tue Sep 21, 2010 3:44 pm
OA is E
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