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Gmat_mission
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If \(w,x,y\) and \(z\) are consecutive positive integers, in the same order, which of the following expressions must be odd?
1) \(wx+z(y+2)^2\)
2) \(w^x+z^y\)
3) \(2w^3+3x^2+5y+6z^2\)
A) 1
B) 2
C) 3
D) 1 and 2
E) 2 and 3
Answer: E
Source: e-GMAT
1) \(wx+z(y+2)^2\)
2) \(w^x+z^y\)
3) \(2w^3+3x^2+5y+6z^2\)
A) 1
B) 2
C) 3
D) 1 and 2
E) 2 and 3
Answer: E
Source: e-GMAT