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If a, b, c and d are integers such that a+b+c and b+c+d are both odd then a+d is odd or even?

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If a, b, c and d are integers such that a+b+c and b+c+d are both odd then a+d is odd or even?
posted Jan 23, 2017 by anonymous

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1 Answer

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a+b+c=odd
b+c+d=odd ADD
a+2b+2c+d=even
a+d=even

answer Feb 1, 2017 by Kewal Panesar



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