Test: C++ Structures - Class 10 MCQ

What will be the output of the following C++ code?

    #include <iostream>
    using namespace std;
    struct sec 
    {
        int a;
        char b;
    };
    int main()
    {
        struct sec s ={25,50};
        struct sec *ps =(struct sec *)&s;
        cout << ps->a << ps->b;
        return 0;
    }

Which of the following accesses a variable in structure *b?

The data elements in the structure are also known as what?

What will happen when the structure is declared?

What will be the output of the following C++ code?

    #include <iostream>
    #include <string.h>
    using namespace std;
    int main()
    {
        struct student 
        {
            int num;
            char name[25];
        };
        student stu;
        stu.num = 123;
        strcpy(stu.name, "John");
        cout << stu.num << endl;
        cout << stu.name << endl;
        return 0;
    }

What will be the output of the following C++ code?

    #include <iostream>
    using namespace std;
    int main()
    {
        struct ShoeType 
        {
           string style;
           double price;
        };
         ShoeType shoe1, shoe2;
         shoe1.style = "Adidas";
         shoe1.price = 9.99;
         cout << shoe1.style << " $ "<< shoe1.price;
         shoe2 = shoe1;
         shoe2.price = shoe2.price / 9;
         cout << shoe2.style << " $ "<< shoe2.price;
         return 0;
    }

Which of the following is a properly defined structure?