SAT Math Practice Question #3346 - SATify | SATify

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SAT Math Practice Question #3346 - SATify | SATify

#3346

parity

algebra

easy

60 sec

Suppose $m$ and $n$ are positive odd integers. Which of the following must also be an odd integer?

A.

$m + n$

B.

$m^{2} + n^{2}$

C.

$mn + 1$

D.

$2 m + n$

E.

$m - n$