NIMCET 2008 Question Paper with solutions

Question : 51 of 120

Marks: +1, -0

Let

x, y

and

z

be distinct integers,

x

and

y

are odd and positive, and

z

is even and positive. Which one of the following statements cannot be true?

Solution:

Odd-even

=

Odd, so

(x-z)^{2} Y

will be odd.
Hence, (a) cannot be true.

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