Bunuel wrote:
If x is an integer, is x odd?
(1) x + 4 is an odd integer.
(2) x/3 is NOT an even integer.
x is an integer
Question : is x odd or not.
Statement 1 : x+4 is odd..
Also odd - even = odd
So, odd - 4 = odd = x
SUFFICIENT Statement 2: x/3 is not even .. So x/3 can be fraction or odd .
If x/3 is odd , definitely x will be odd. For e.g. x/3 = 3 -> x = 9
If x/3 is a fraction, x may be odd or even. For e.g. if x/3 = 2/3 a fraction -> x=2
Also if x/3 = 7/3 a fraction -> x = 7
NOT SUFFICIENTAnswer A
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