Mon April 19, 2010 By:

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Expert Reply
Tue April 20, 2010
suppose that n is divisible by 4 then n=4k for some k then the next multiple of 4 will be 4(k+1)and prev would e 4(k-1) i.e. 4k+4=n+4 or 4k-4=n-4 so if n is a multiple of 4 then none of the other numbers given can be a multiple of 4. simly you can work out for the other numbers by taking them as multiple of 4 one by one.
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