11. Pick out the correct statement.

1. 1. A friend function may not be a member of another class

   
   
   

   2. A friend function may or may not be a member of another class

   
   
   

   3. A friend function may be a member of another class

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   A friend function may or may not be a member of another class

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12. What is the syntax of friend function?

1. 1. friend class;

   
   
   

   2. friend class

   
   
   

   3. friend classA ClassB;

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   In option a, the classB is the friend of classa and it can access all the private and protected members of classA.

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13. Which keyword is used to declare the friend function?

1. 1. classfriend

   
   
   

   2. myfriend

   
   
   

   3. firend

   
   
   

   4. friend

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   friend

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14. Which is more effective while calling the functions?

1. 1. call by pointer

   
   
   

   2. call by value

   
   
   

   3. call by reference

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   In the call by reference, it will just copy the address of the variable to access it, so it will reduce the memory in accessing it.

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15. How many can max number of arguments present in function in the c99 compiler?

1. 1. 127

   
   
   

   2. 102

   
   
   

   3. 90

   
   
   

   4. 99

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   127

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