If x , y and z are consecutive non-zero integer, and if x<y<z, which of the following must be a positive odd integer?

If x , y and z are consecutive non-zero integer, and if x<y<z, which of the following must be a positive odd integer?

A x-z

B x+y+1

C x+y+z

D xz-y

Solution

Correct Answer: Option D