Practical No: 1.
1. Write a program in C to input the two numbers and find the
Addition, Substraction, Multiplication and Division in one file.
#include<stdio.h>
#include<conio.h>
void main ( )
{
int x, y, sum, sub, multi;
float div;
clrscr ( );
printf (“enter the first number x=”);
scanf (“%d”, &x);
printf (“enter the second number y=”);
scanf (“%d”, &y);
sum=x+y;
sub=x-y;
multi=x*y;
div=x/y;
printf (“\n Addition=%d \n
Substraction=%d\n
Multiplication=%d \n
Division=%f”, sum, sub, multi, div);
getch ( );
}
Practical No: 2.
1. Write a program in C to input the two numbers and find the Average.
#include<stdio.h>
#include<conio.h>
void main ( )
{
int a, b, sum, avg;
clrscr ( );
printf (“enter the first number:”);
scanf (“%d”, &a);
printf (“enter the second number:”);
scanf (“%d”, &b);
sum=a+b;
avg=sum/2;
printf (“average %d”, avg);
getch ( );
}
Practical No: 2.
2. Write a C program to input three integers and then display Maximum of
the three numbers.
#include<stdio.h>
#include<conio.h>
void main ( )
{
int a, b, c;
clrscr ( );
printf (“enter the first no. ”);
scanf (“%d”, &a);
printf (“enter the second no. ”);
scanf (“%d”, &b);
printf (“enter the third no. ”);
scanf (“%d”, &c);
if(a>b)
printf (“the largest number is =%d”, a);
else if(b>c)
printf (“the largest number is =%d”, b);
else
printf (“the largest number is =%d”, c);
getch ( );
}
Practical No: 3.
1. Write a program in C to input the Basic pay and calculate and display
Basic Pay, DA, HRA, Total Pay and Tax where DA as 60% of Basic Pay,
Total as Basic Pay+DA+HRA and tax as 20% of the Total Pay.
#include<stdio.h>
#include<conio.h>
void main ( )
{
float basic, DA, HRA, Tpay, Tax;
clrscr ( );
printf (“enter basic pay: ”);
scanf (“%f”, &basic);
DA=basic*60/100;
HRA=basic*25;
Tpay=basic+DA+HRA;
Tax=Tpay*20;
printf (“basic pay=%.2f\n”, basic);
printf (“DA=%.2f\n”,da);
printf (“HRA=%.2f\n”,hra);
printf (“Total pay=%.2f\n”,tpay);
printf (“Tax=%.2f\n”,tax);
getch ( );
}
Practical No: 3.
2. Write a program in C to input the Cost, Salvage value and estimated life
in years of an asset and display the Annual Depreciation where
depreciation=(cost-salvage)/life.
#include<stdio.h>
#include<conio.h>
void main ( )
{
float cost, salvage, estlife, depreciation;
clrscr ( );
printf (“enter the cost: ”);
scanf (“%f”, &cost);
printf (“enter the salvage: ”);
scanf (“%f”, &salvage);
printf (“enter the estlife: ”);
scanf (“%f”, &estlife );
depreciation=(cost-salvage)/estlife;
printf (“depreciation=%.2f”, depreciation);
getch ( );
}
Practical No: 4.
1. To input Telephone No. and Number of Calls made; Calculate and
display the Bill Amount which include a fixed rate of 250 first 60 calls
are free & excess calls are charged @ 80paise each.
#include<stdio.h>
#include<conio.h>
void main ( )
{
long tn ;
int n ;
float b_amt ;
clrscr ( );
printf (“enter the telephone no:”);
scanf (“%ld”, &tn);
printf (“enter the no. of the made:”);
scanf (“%d”, &n);
if (n<=60)
b_amt=250;
else
b_amt=250+(n-60)*80/100;
printf (“Bill amount %.2f”, b_amt);
getch ( );
}
Practical No: 4.
2. Write a program in C to accept Amount and then display the sales
amount, Discount and Net amount where Discount is 5% of sales.
#include<stdio.h>
#include<conio.h>
void main ( )
{
float sales, discount, namount;
clrscr ( );
printf (“enter the sales :”);
scanf (“%f”, &sales);
discount =sales*0.05;
namount=sales-discount;
printf (“namount=%.2f”, namount);
getch ( );
}
Practical No: 5.
1. Write a program in C to input 2 numbers & Arithmetic operator and give
the result of the operator on the 2 numbers using switch ( ).
#include<stdio.h>
#include<conio.h>
void main ( )
{
float a, b;
char k;
clrscr ( );
printf (“enter the first nos: ”);
scanf (“%f”, &a);
printf (“enter the second nos: ”);
scanf (“%f”, &b);
printf (“enter a arithmetic operator: “);
scanf (“%s”, &k);
switch(k)
{
case ‘+’ :
printf (“%f\n”,a+b);
break;
case ‘-’ :
printf (“%f\n”,a-b);
break;
case ‘*’ :
case ‘x’ :
printf (“%f\n”,a*b);
break;
case ‘/’ :
printf (“%f\n”,a/b);
break;
default :
printf (“OPERATOR INCORRECT\n”);
break;
}
getch();
}
2. Write a program in C to input the Gross Income and calculate Income
Tax:
#include<stdio.h>
#include<conio.h>
void main ( )
{
float gi, itax, ni;
clrscr ( );
printf (“enter the gross income :”);
scanf (“%f” ,&gi);
if(gi<60000)
itax=0.00;
else if(gi<=110000)
itax=0.10*(gi-60000);
else if(gi<=160000)
itax=5000+0.15*(gi-110000);
else
itax=12500+0.20*(gi-160000);
printf(“gross income: rs%.2f\n”,gi);
printf(“income tax: rs%.2f\n”,itax);
printf(“net income: rs%.2f\n”,gi-itax);
getch ( );
}
Practical No: 6.
1. Write a program in C to input the Amount Invested (a), the Rate of
interest(r) and the Period of Investment in Years (n). Calculate and
display the Simple Interest on the same. {SI= a*r*n/100}
#include<stdio.h>
#include<conio.h>
void main ( )
{
float a, r, n, si;
clrscr ( );
printf (“Enter the Amount Invested: ”);
scanf (“%f”, &a);
printf (“Enter the Rate of Interest: ”);
scanf (“%f”, &r);
printf (“Enter the Period of Investment in Years: ”);
scanf (“%f”, &n);
si=a*r*n/100;
printf (“Simple interest =%.2f\n”, si );
getch ( );
}
Practical No: 6.
2. Write a program in C to input the Marks of a student in 3 subjects and
calculate Total and Average marks. Display the Result of the student
along with the Total and Average marks , where the result is “PASS” if the
student gets 35 or more in each subject , otherwise result is “FAIL”.
#include<stdio.h>
#include<conio.h>
void main ( )
{
float m1, m2, m3, tm, avg;
clrscr ( );
printf (“Enter the marks in Hindi:\n”);
scanf (“%f”,m1);
printf (“Enter the marks in Marathi:\n”);
scanf (“%f”,m2);
printf (“Enter the marks in English:\n”);
scanf (“%f”,m3);
tm=m1+m2+m3;
avg=tm/3;
printf (“total marks=%.2f\n”, tm);
printf (“average marks=%.2f\n”, avg);
if (m1>=35 && m2>=35 && m3>=35)
printf (“pass”);
else
printf (“fail”);
getch ( );
}