/*Ex-1 Program to Add 2 Numbers.*/
main()
{
int a,b,c; //Declaration of Variable with Data Type.
scanf("%d",&a); // For Take Input from user.
scanf("%d",&b);
c=a+b;
printf("%d",c); // For Display Output of Program on Screen.
getch(); //getch() function is used for display output on screen.
}
/*Ex-2 Program to Find Average of 3 Numbers.*/
main()
{
int a,b,c;
float d;
scanf("%d",&a);
scanf("%d",&b);
scanf("%d",&c);
d=(a+b+c)/3;
printf("%f",d);
getch();
}
/*Ex-3 Program to Find Area of Circle.*/
main()
{
int r;
float a;
scanf("%d",&r);
a=3.14*r*r;
printf("%f",a);
getch();
}
/*Ex-4 Program to Find Area of Rectangle.*/
main()
{
int l,h,area;
scanf("%d",&l);
scanf("%d",&h);
area=l*h;
printf("%d",area);
getch();
}
/*Ex-5 Program to Find Area of Square.*/
main()
{
int l,area;
scanf("%d",&l);
area=l*l;
printf("%d",area);
getch();
}
/*Ex-6 Program to Find Volume of Cube.*/
{
int l,vol;
scanf("%d",&l);
vol=l*l*l;
printf("%d",vol);
getch();
}
/*Ex-7 Program to Find Simple Interest.{Interactive Prgrm}*/
main()
{
int p,n;
float r,si;
printf("Enter the Principle Amount:");
scanf("%d",&p);
printf("Enter the Number of Years:");
scanf("%d",&n);
printf("Enter the Rate of Interest:");
scanf("%f",&r);
si=(p*r*n)/100;
printf("Your Simple Interest is %f",si);
getch();
}
/*Ex-8 Program to Find Simple Interest, where r=?
if n<3=6%
n>=3 and n<5 =7%
n>=5=9%
(Using if..........else statement) */
main()
{
int p,n;
float r,si;
printf("Enter the Principle Amount:");
scanf("%d",&p);
printf("Enter the Number of Years:");
scanf("%d",&n);
if(n<3)
r=6.0;
else if(n<5)
r=7.0;
else
r=9.0;
si=(p*r*n)/100;
printf("Your Simple Interest is %f",si);
getch();
}