Data Sufficiency (DS) | Re: If p is an integer and p* = p^2 + 2, what is the value of integer k?

value of integer k?

(1) Not Sufficient

(2) could be -5 or +5 when substituting -5/+5 in the equation . Not Sufficient

(c) on combining, only 5 is possible. (-5+2 divided by 5 gives remainder -3 ; we need remainder 2)

C

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