GMAT Quantitative Reasoning Practice Test 3

Question : 95 of 100

Marks: +1, -0

X

is an even number, which of the following is odd?

Solution:

The easiest way is to try out a number, lets say

X=2

.
You can see that

(X+1)^2=(2+1)^2

is 9 , and that is always an odd number.

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