Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

If P is an odd integer, which of the following is an even integer?

(A) 

(B) 

(C) 

(D) 

(E) 

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The correct answer is E

Explanation

If P is an odd integer, then  and  are odd integers. Similarly, choices C and D are odd integers. Since an odd integer subtracted from another odd integer is always an even integer,  is even.