Answer Posted / raju kalyadapu

i). using while-loop

int main()
{
int sum=0,n,i=0,j=2;
printf("Enter 2+4+6+...n upto nth term:");
scanf("%d",&n);
while(i++<n)
{
j=2*i;
sum=sum+i*2;
}
getch();
return 0;
}

ii). using do-while loop

int main()
{
int sum=0,n,i=0,j=2;
printf("Enter 2+4+6+...n upto nth term:");
scanf("%d",&n);

do 
{
j=2*i;
sum=sum+i*2;
} while(i++<n);
printf("
Sum of the Series 2+4+6+----%d is:%d",j,sum);

}

to find the closest pair

2107

---

What would happen to X in this expression: X += 15; (assuming the value of X is 5)

1693

---

What does main () mean in c?

893

---

What is the difference between array_name and &array_name?

1035

---

Can a function be forced to be inline? Also, give a comparison between inline function and the C macro?

912

---

What is a lookup table in c?

863

---

Here is a neat trick for checking whether two strings are equal

824

---

what is reason of your company position's in india no. 1.

2008

---

WHICH TYPE OF JOBS WE GET BY WRITING GROUPS .WHEN THE EXAMS CONDUCTED IS THIS EXAMS ARE CONDUCTED EVERY YEAR OR NOT.PLS TELL ME THE ANSWER

1659

---

Can you tell me how to check whether a linked list is circular?

1120

---

Why is c called a mid-level programming language?

994

---

What is #line in c?

797

---

Are the outer parentheses in return statements really optional?

880

---

What is the difference between int main and void main in c?

866

---

Explain the advantages of using macro in c language?

796

---