How many instances of an abstract class can be created?

What is the scope of template parameters?

The wrapping up of data and its related functionality into a single entity is known as ________

What will the following function execute?

What is the output of the given C program ?

#include<stdio.h>

int main()

{

int a[5]={1,2,3,4,5};

for(int i=0;i<5;i++)

{

printf("%d",i[a]);

}

return 0;

}

Choose the correct option.

   extern int i;
   int i;

#include<stdio.h>

int main()

{

 char s1[]="Abekus";

 char s2[]={'A','b','e','k','u','s'};

 int n1=sizeof(s1)/sizeof(s1[0]);

 int n2=sizeof(s2)/sizeof(s2[0]);

 printf("%d %d",n1,n2);

 return 0;

}

Is there any difference in the speed of execution between linear search(recursive) vs linear search(lterative)?

Which of the following statements about C++ is correct?

 What are the conditions for an optimal binary search tree and what is its advantage?