49. What will be the output of following code in case of x = 20, x = 40, x = 70?
Class main {
Public static void main(string[] args) {
double salary;
int x;
salary = (x ! = 40)?((x<40)?(4*x + 100) : (4.5 *x +100)) : 300;
System.out.println (salary);
}
(A) 180.0, 800.0, 415.0 (B) 800.0, 415.0, 180.0
(€) 300.0, 180.0, 415.0 (D) 180, 300, 415
50. Which of the following statements is/are true about method overriding?
@ Implements “run time polymorphism”.
Gi) Implements “compile time polymorphism’.
(111) Occurs between superclass and subclass.

(iv) On error it can be caught at compile time.

(¢) Only (i) and (iii) (B) Only (ii) and (iii)
(C) Only Qi), (iii) and (iv) (D) None of above
51. Which among the following are valid operators in JavaScript?

0 =

Gi)

(1) ===

(iv) 225
(A) @ only (B) (1 and (iii) only
(೮) 0), (1) and (iii) only (D) Allof the above

52. Which among the following are valid popup boxes in JavaScript?
0) 8161 ()
Gi) prompt ()
(011) msgbox ()
(iv) confirm ()
(^) @ and (i) only (B) (1 and (iii) only
(C) (i), Gi) and (iv) only (D) Allof the above

A 11 147/2023
[P.T.0.]