madzstar wrote:

If x and y are positive integers and xy is an even integer, which of the following cannot be an odd integer?

A. y

B. x+y

C. y−1

D. xy

E. 2y

got lost here

I am a lil lost over the choices mentioned here as well. The question clearly mentions

xy is even, but since x and y are positive integers,

2y will be even as well for obvious reasons. Please check the source, since the choices show some redundancy,

Regards,

Arpan

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