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K and N are integers

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K and N are integers

by doclkk » Tue May 12, 2009 7:45 am
If K and N are integers, is n divisible by 7

1. n-3 = 2k
2. 2k - 4 is divisble by 7

I put C.

if K is 9, 16, 23 etc.

I don't have an answer bank - just want to confirm.

If can answer s2 with s1, then answers will always be yes.
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by gauravgundal » Tue May 12, 2009 7:53 am
Yes C is correct answer
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