BLOG

c questions 9

March 6, 2021/in /by Joseph

What is the output of this program?

```
    #include <iostream>
```
```
    using namespace std;
```
```
    void copy (int& a, int& b, int& c)
```
```
    {
```
```
        a *= 2;
```
```
        b *= 2;
```
```
        c *= 2;
```
```
    }
```
```
    int main ()
```
```
    {
```
```
        int x = 1, y = 3, z = 7;
```
```
        copy (x, y, z);
```

        cout << "x =" << x << ", y =" << y << ", z =" << z;

```
        return 0;
```
```
    }
```

a) 2 5 10
b) 2 4 5
c) 2 6 14
d) none of the mentioned

What is the new value of x?

```
    #include <iostream>
```
```
    using namespace std;
```
```
    void fun(int &x)
```
```
    {
```
```
        x = 20;
```
```
    }
```
```
    int main()
```
```
    {
```
```
         int x = 10;
```
```
         fun(x);
```

         cout << "New value of x is " << x;

```
         return 0;
```
```
    }
```

a) 10
b) 20
c) 15
d) none of the mentioned

Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.