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Question

What is the output of this program? 
    #include 
    using namespace std;
    void duplicate (int& a, int& b, int& c)
    {
        a *= 2;
        b *= 2;
        c *= 2;
    }
    int main ()
    {
        int x = 1, y = 3, z = 7;
        duplicate (x, y, z);
        cout << x << y << z;
        return 0;
    }

a.

1468

b.

2812

c.

2614

d.

none of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (c).2614

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