#include &lt;iostream&gt;    #include &quot;exe.h&quot;    using namespace std;    int main&#40;int argc, char * argv&#91;&#93; &#41;    &#123;        cout &lt;&lt; number++;        return 0;    &#125;
A. 842
B. 843
C. compile time error
D. none of the mentioned
Answer:A
#include &lt;iostream&gt;    #include &quot;exe.h&quot;    using namespace std;    int main&#40;int argc, char * argv&#91;&#93; &#41;    &#123;        cout &lt;&lt; number++;        return 0;    &#125;
A. 842 B. 843 C. compile time error D. none of the mentioned
Explanation:In this program, we have created a header file and linked that into the source program and we are post incrementing that because of that it is printed as 842.