#include &lt;iostream&gt;    using namespace std;    int main&#40;&#41;    &#123;        int a = 0;        int b = 10;        if &#40; a &amp;&amp; b &#41;        &#123;            cout &lt;&lt; &quot;true&quot;&lt;&lt; endl ;        &#125;        else        &#123;            cout &lt;&lt; &quot;false&quot;&lt;&lt; endl ;        &#125;        return 0;    &#125;
A. true
B. false
C. error
D. None of the mentioned
Answer:A
#include &lt;iostream&gt;    using namespace std;    int main&#40;&#41;    &#123;        int a = 0;        int b = 10;        if &#40; a &amp;&amp; b &#41;        &#123;            cout &lt;&lt; &quot;true&quot;&lt;&lt; endl ;        &#125;        else        &#123;            cout &lt;&lt; &quot;false&quot;&lt;&lt; endl ;        &#125;        return 0;    &#125;
A. true B. false C. error D. None of the mentioned
Explanation:&& is called as Logical AND operator, if there is no zero in the operand means, it will be true otherwise false.