Agricultural Engineering > GATE 2017 > Numerical Ability
If a and b are integers and (a - b) is even, which of the following must always be even?
A. a + b
B. a - b + 1
C. (a + b)/1
D. ab + b
A. a + b
B. a - b + 1
C. (a + b)/1
D. ab + b
Correct : d
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