(X+Y)/2 is a rational number


$(x+y) / 2$ is a rational number

(a) Between x and y

(b) Less than x and y both

(c) Greater than x and y both

(d) Less than x but greater than y


(a) Between $x$ and $y$

Let us assume the value of $x$ and $y$ is 4 and 8 respectively


$=(4+8) / 2$

$=12 / 2$


Hence, the value 6 is lies between 4 and 8 .

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