#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int x = 2, y = 1;        x *= x + y;        printf&#40;&quot;%d\n&quot;, x&#41;;        return 0;    &#125;
A. 5
B. 6
C. Undefined behaviour
D. Compile time error
Answer:A
#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int x = 2, y = 1;        x *= x + y;        printf&#40;&quot;%d\n&quot;, x&#41;;        return 0;    &#125;
A. 5 B. 6 C. Undefined behaviour D. Compile time error