&lt;?php$x = 30;$y = 20;$z = 10;echo $x + $y - $z / &#40;$z - $y&#41;;?&gt;
A. 41
B. -4
C. -5
D. 51
Answer:A
&lt;?php$x = 30;$y = 20;$z = 10;echo $x + $y - $z / &#40;$z - $y&#41;;?&gt;
A. 41 B. -4 C. -5 D. 51
Explanation: First ($z – $y) is evalulated then -$z/($z – $y) is evaluated this results in 1 which is added to $x + $y therefore we get 51.