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.
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)
