Choose the Correct Option

1 Suppose A is an abstract class, B is a concrete subclass of A, and both A and B have a default constructor. Which of the following is correct?1. A a = new A();2. A a = new B();3. B b = new A();4. B b = new B(); 2 Abhyuday Thakur has 74% vision in his left eye and 66% vision in his right eye. On corrective therapy his vision of left eye increased by 11% and 12% in his right eye. Find out the percentage of normal vision that he possesses after corrective therapy. (A 3 Direction: Each question below is followed by two statements I and II. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. Ho 4 Which of the following statements are correct about an array?1. The array int num[26]; can store 26 elements.2. The expression num[1] designates the very first element in the array.3. It is necessary to initialize the array at the time of declaration.4. T 5 Pick the correct statements.I.   The body of a function should have only one return statement.II.  The body of a function may have many return statements.III. A function can return only one value to the calling environment.IV. If return statement is omitt