Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "ALL MEN ARE CREATED EQUAL";
String s2;
s2 = s1.Substring(12, 3); 
Console.WriteLine(s2);

                                
A.ARE
B.CRE
C.CR
D.REA
E.CREATED
                              
Click To Show Ans:B
                        

                                
Which of the following statements will correctly copy the contents of one string into another ?
                                
A.String s1 = "String";
String s2; 
s2 = s1;
B.String s1 = "String" ; 
String s2;
s2 = String.Concat(s1, s2);
C.String s1 = "String"; 
String s2;
s2 = String.Copy(s1);
D.String s1 = "String"; 
String s2;
s2 = s1.Replace();
E.String s1 = "String"; 
String s2;
s2 = s2.StringCopy(s1);
                              
Click To Show Ans:C
                        

                                
The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.
                                
A.True
B.False
                              
Click To Show Ans:A
                        

                                

Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "Nagpur";
String s2;
s2 = s1.Insert(6, "Mumbai"); 
Console.WriteLine(s2);

                                
A.NagpuMumbair
B.Nagpur Mumbai
C.Mumbai
D.Nagpur
E.NagpurMumbai
                              
Click To Show Ans:E
                        

                                
If s1 and s2 are references to two strings, then which of the following is the correct way to compare the two references?
                                
A.s1 is s2
B.s1 = s2
C.s1 == s2
D.strcmp(s1, s2)
E.s1.Equals(s2)
                              
Click To Show Ans:E