Which of the following statements are correct? Data members ofa class are by default public. Data members of a class are by default private. Member functions of a class are by default public. A private function of a class can access a public function within the same class. Member function of a class are by default private.

• 1, 3, 5
• 1, 4
• 2, 4, 5
• 1, 2, 3
• None of these