#include &lt;iostream&gt;    using namespace std;    int main&#40;&#41;    &#123;        int num1 = 10;        float num2 = 20;        cout &lt;&lt; sizeof&#40;num1 + num2&#41;;        return 0;    &#125;
A. 2
B. 4
C. 8
D. garbage
Answer:A
#include &lt;iostream&gt;    using namespace std;    int main&#40;&#41;    &#123;        int num1 = 10;        float num2 = 20;        cout &lt;&lt; sizeof&#40;num1 + num2&#41;;        return 0;    &#125;
A. 2 B. 4 C. 8 D. garbage