1.WRITE A C PROGRAM TO CALCULATE SUM OF TWO NUMBERS

PROGRAM:

# include<studio.h>
#include<conio.h>
void main()
{
Int   a,b,c;
printf(“Enter the two no to calculate  sum :”);
scanf(“%d%d”,&a&b);
c=a+b;
printf(“The sum of %d and %d is =%d”,a,b,c);
getch();

}
OUT PUT :
Enter two number to calculate sum: 3 4
The sum of 3 and 4 is =12
2.WRITE A C PROGRAM TO CALCULATE TO CHECK A 

NUMBER EVEN OR ODD

PROGRAM:
# include<studio.h>
#include<conio.h>
void main()
{
int  n;
printf(“Enter  the numbers to  check  even or odd :”);
scanf(“%d”,&n);
if(n%2==0)
printf(“Given numbers is  even”);
else
printf(“Given numbers is not  even”);
getch();
}

OUT PUT :
 Enter  the numbers to  check  even or odd : 11
 Given numbers is not  even
 Enter  the numbers to  check  even or odd: 10

 Given numbers is  even


3. WRITE  A C PROGRAM TO CALCULATE MULTIPLICITE OF TWO NUMBER


 PROGRAM:
#include<stdio.h>
#include<conio.h>
{
int  a,b,c;
printf(“Enter two numbers to calculate multiplication :”);
scanf(“%d%d”,&a&b);
c=a*b;
printf(Multiplication=%d”,c);
getch();
}

OUT PUT:
Enter two numbers to calculate multiplication :4  5
Multiplication=20

4.WRITE A C PROGRAM TO DISPLAY YOUR NAME FIVE TIME IN
PROGRAM :
#include<stdio.h>
#include<conio.h>
void main()
{
int a;
printf(“My name 5 times in”);
while(i<=5)
{
printf(“RAM \n”);
i=i+1;
getch();
}
}
OUT PUT : 
My name  5 time in
RAM
RAM
RAM
RAM
RAM

5.WRITE A C PROGRAM TO DISPLAY THE FOLLOWING

*
**
***
****
PROGRAM  :
#include<stdio.h>
#include<conio.h>
void main()
{
int i=1;
clrscr();
printf(“In the required display is \n”);
while(i<=4)
{
j=1;
while(j<=i)
{
printf(“*\t”);
j++;
}
i++;
printf(“/n”);
}
getch();
}

OUT PUT  :
In the required display is
*
**
***
****


6.WRITE A C PROGRAM TO DISPLAY ALL EVEN NO 

BETWEEN A RANGE

PROGRAM :
#include<stdio.h>
#include<conio.h>
void main()
{
Int  i,start,end;
clrscr();
printf(“Enter the range to display all even no. between a range\n”);
scanf(“%d%d”,&start,&end);
i=start;
printf(“All even no.between %d to %d are\n”,start,end);
while(i<=end)
{
if(i%2==0)
printf(“%6d”,i);
i++;
}
getch();
}


OUT PUT :
Enter the range to display all even no. between a range
1
10
All even no. between 1 to 10 are
2  4  6  8  10

7.WRITE A C PROGRAM  TO DISPLAY ALL NUMBERS BETWEEN A RANGE


PROGRAM :
#include<stdio.h>
#include<conio.h>
void main()
{
int i,start,end;
printf(“Enter the range to display the no.\n”);
scanf(“%d%d”,&start,&end);
i=start;
printf(“All number between %d to %d  are \n”,start,end);
while(i<=end)
{
printf(“%6d”,i);
i++;
}
getch();
}

OUT PUT :
Enter the range to display the no.
1
10
All number between 1 to 10  are
1  2  3  4  5  6  7  8  9  10



8.WRITE  A  C  PROGRAM  TO COUNT NUMBER OF 

DIGIT OF A NUMBER

PROGRAM :
#include<stdio.h>
#include<coio.h>
void main()
{
int n,c=0,i,t;
printf(“Enter a no. to count the digit \n”);
scanf(“%d”,&n);
t=n;
while(t!=0)
{
c++;
t=t/10;
}
printf(“The no. %d  is %d digits”,n,c);
getch();
}

OUTPUT  :
Enter a no. to count a digit
123
The no. 123 is 3 digit


9.WRITE A C PROGRAM  TO CHECK A NO IS PRIME OR 

NOT

PROGRAM :
#include<stdio.h>
#include<conoio.h>
void main()
{                 
int n,i=2,f=0;
clescr();
printf(“Enter a no. to check prime or not \n”);
scanf(“%d”,&n);
while(i<=n/2)
{
if(n%i==0)
{
f++;
break;
}
i++;
}
if(f==0)
printf(“%d is a prime no.”,n);
else
printf(“%d is not a prime no.”,n)
getch();
}

OUTPUT :
Enter a no. to check prime or not
12
12 is a prime no.
Enter a no. to check prime or not
11
11 is not a prime no.

10.WRITE  A  C PROGRAM  TO DISPLAY ALL PRIME NO. 

UPTO  n

PROGRAM :
#include<stdio.h>
#include<comio.h>
void main()
{
int n,i,f,j=0;
clrscr();
printf(“Enter a no. to find the all prime no.s\n”);
scanf(“%d”,&n);
printf(“All prime no.s up to %d”,n);
while(j<=n)
{
f=0;
i=2;
while(i<=j/2)
{
if(n%i==0)
{
f++;                                   
break;
}
i++;
}
if(f==0)
printf(“%d\t”,j);
j++;
}
getch();
}

OUT PUT :
Enter a no. to find all prime no.
 6
All prime no. up to 6
1  2  3