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Interesting GMATFix Problem-5

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by arora007 » Tue Sep 21, 2010 12:49 pm
If a,b and c are integers, is c even?
1)a/b is an odd integer
2) (b/c)+a is an even integer
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Source: — Data Sufficiency |
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by clock60 » Tue Sep 21, 2010 1:24 pm
here got E
1) insuff as c is not mentioned
2) also insuff as different options are possible
a=b=c=1
b/c+a=1/1+1=1+1=2-even and c-odd
b=2,c=2,a=1
b/c+a=2/2+1=1+1=2-even and c=even

both
we can repeat the example a=b=c=1. c-odd
a=20, b=4,c=2
a/b=20/4=5-odd
4/2+20=2+20=22-even here c-even
even both insufficient
Last edited by clock60 on Tue Sep 21, 2010 1:35 pm, edited 1 time in total.
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by beatthegmatinsept » Tue Sep 21, 2010 1:27 pm
One more for E.
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