Question 304534
x is an integer and (x+7)/2 is an integer , which of the following must be true ? 
I x is odd------true
II x is a multiple of 7------x could be 5 
III (x+5)/2 is an integer-----not if x = 4
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Ans: A
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Cheers,
Stan H.
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(A) I only
(B) II only
(C) III only
(D) I and II 
(E) I and III