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n is a factor

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by sanju09 » Wed May 02, 2012 3:41 am
The integer n is a factor of the integer x and x > n > 1. Which of the following must be true?

I. n is a factor of x + 15n
II. 5 is a factor of x + 15n
III. x is a factor of x + 15n

(A) none
(B) I, only
(C) II, only
(D) II and III, only
(E) I, II, and III



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