CAT Quantitative Ability Questions | CAT Number System questions
CAT/2000
Question . 131
If x, y and z are odd integers then which of the following is necessarily false?
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Explanatory Answer
Method of solving this CAT Quantitative Ability Question from Number System question
(d) Consider (x - y - z)(x + z) in which first term is odd and second term is even and the product of even and odd is always even.
∴ It is necessarily false.