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What is the value of the expression below.......

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Source: — Data Sufficiency |
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by selango » Tue Oct 19, 2010 2:12 am
(n-x)+(n-y)+(n-z)+(n-K)=?

stmt1,

(x+y+z+k)/4=n

x+y+z+k=4n

The expression can be rephrased as,

4n-(x+y+z+k)=4n-4n=0

Suff

stmt2,

x=a,y=a+1,z=a+2,k=a+3

-->4n-(4a+6)

We dont know value of n and a.

Insuff

Pick A
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by novel » Wed Oct 20, 2010 8:02 am
IMO A
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