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If |x – (9/2) | = 5/2 , and if y is the median of a set of p consecutive integers, where p is odd, which of the following must be true?

I. xypis odd

II. xy(p^2 + p) is even

III. x^2y^2p^2 is even

A. II only B. III only C. I and III D. II and III E. I, II, and III

x is in range of 2 and 7 so it can be even or odd y is median of set of odd integers so it can be even or odd p is given as odd using above information only II for sure can be inferred as even. other two, either can be even or odd correct response is A.

If |x – (9/2) | = 5/2 , and if y is the median of a set of p consecutive integers, where p is odd, which of the following must be true?

I. xypis odd

II. xy(p^2 + p) is even

III. x^2y^2p^2 is even

A. II only B. III only C. I and III D. II and III E. I, II, and III

x is in range of 2 and 7 so it can be even or odd y is median of set of odd integers so it can be even or odd p is given as odd using above information only II for sure can be inferred as even. other two, either can be even or odd correct response is A.

X is not between 2 and 7. X is either 2 or 7. But the rest of the explanation is correct I believe.

Re: If |x – 9/2| = 5/2, and if y is the median of a set of p [#permalink]
21 Jul 2014, 22:25

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