7. What is the output of the following code fragment? int x = 100; int y = 200;

Question

7. What is the output of the following code fragment?

int x = 100;
int y = 200;

if (x > 100 && y <= 200)
cout<< x <<""<< y <<""<< x + y <<endl;
else
cout<< x <<""<< y <<""<< 2 * x - y <<endl;

8. Given a char variable called gender, write C++ statements to output"Male" if gender contains upper or lower case M, "Female" if it contains upper or lower case F, or "Invalid Gender" if it contains anything else. Use if / else if statements.

9. Given a char variable called gender, write C++ statements to out "Male" if gender contains upper or lower case M, "Female" if it contains upper or lower case F, or "Invalid Gender" if it contains anything else. Use a switch statement.

10. What is the value of the beta variable after the following code executes?

int beta = 3;

switch(beta)
{
case 3:
beta += 3;
case 1:
beta++;
break;
case 5:
beta += 5;
case 4:
beta += 4;
}

Explanation / Answer

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int x = 100;
int y = 200;

if (x > 100 && y <= 200)
cout<< x <<""<< y <<""<< x + y <<endl;
else
cout<< x <<""<< y <<""<< 2 * x - y <<endl;
100 200 0

8. Given a char variable called gender, write C++ statements to output"Male" if gender contains upper or lower case M, "Female" if it contains upper or lower case F, or "Invalid Gender" if it contains anything else. Use if / else if statements.
if(gender=='M'||gender=='m')
        cout<<"Male ";
else if(gender=='F'||gender=='f')
        cout<<"Female ";
else
        cout<<"Invalid Gender ";

     9. Given a char variable called gender, write C++ statements to out "Male" if gender contains upper or lower case M, "Female" if it contains upper or lower case F, or "Invalid Gender" if it contains anything else. Use a switch statement.

switch(gender)

{case 'M': case 'm': cout<<"Male ";

                            break;

case 'F': case 'f': cout<<"Female ";
   break;
default:    cout<<"invalid gender ";
}

10. What is the value of the beta variable after the following code executes?
7
int beta = 3;

switch(beta)
{
case 3:
beta += 3;
case 1:
beta++;
break;
case 5:
beta += 5;
case 4:
beta += 4;
}

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