Q. Print a statement on screen ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
void main()
{ clrscr();
cout<<"Hello Shashank";
getch();
}

Q. Perimeter of a square using constant function ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int pr,a;
public:
inline void B()
{ cout<<"Enter side=";
 cin>>a;
}
void C() const
{ int p;
 //pr=4*a;
 p=4*a;
 cout<<"Perimeter of square="<<p;
}
};
void main()
{ clrscr();
A obj;
obj.B();
obj.C();
getch();
}

Q. Print a Sum of first n even number ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int a,n,i;
public:
void B()
{ cout<<"Enter n:";
 cin>>n;
}
void C();
};
void A::C()
{       a=0;
cout<<"\nSum of first "<<n<<" even no. is= ";
for(i=1;i<=n;i++)
a=a+i*2;
cout<<a;
}
void main()
{ clrscr();
A obj;
obj.B();
obj.C();
getch();
}

Q. Perimeter of a rectangle by passing argument ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int l,b,p;
public:
void B( int x,int y)
{ l=x;
 b=y;
}
void C();
};
void A::C()
{ p=2*(l+b);
cout<<"Perimeter of Rectangle="<<p;
}
void main()
{ clrscr();
A obj;
obj.B(2,4);
obj.C();
getch();
}

Q. Shopping ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{       char p[25],i[25];
int s;
public:
void B()
{ cout<<"Enter your name:";
 cin>>p;
}
void E()
{ cout<<"Name: "<<p<<"\n";
}
void C()
{ cout<<"Enter your product name:";
 cin>>i;
 cout<<"Enter your product id:";
 cin>>s;
}
void F()
{ cout<<"Product name: "<<i<<"\n";
 cout<<"product id: "<<s<<"\n";
}
};
class D: public A
{       int a;
public:
void G()
{ cout<<"Enter product price:";
 cin>>a;
}
void H()
{ cout<<"Product price: "<<a<<"\n";
}
};
void main()
{       //int n;
clrscr();
D obj;
obj.B();
obj.C();
obj.G();
obj.E();
obj.F();
obj.H();
getch();
}

Q. Area of tringle & cirlce ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ float a1,a2,l,b,r;
public:
void B();
void C();
};
inline void A::B()
{       cout<<"Enter r:";
cin>>r;
a1=3.14*r*r;
cout<<"The area of circlr is "<<a1;
}
inline void A::C()
{       cout<<"Enter l=";
cin>>l;
cout<<"Enter b=";
cin>>b;
a2=l*b;
cout<<"The area of rectangle "<<a2;
}
void main()
{       int q;
clrscr();
cout<<"Press 1 for area of circle & Press 2 for area of rectangle\n";
cin>>q;
A obj;
switch(q)
{ case 1: obj.B();
 break;
 case 2: obj.C();
 break;
 default: cout<<"Wrong input";
  break;
}
getch();
}

Q. Average of two number ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ float a,b,t;
public:
A()
{ a=9;
 b=10;
}
A(float x,float y)
{ a=x;
 b=y;
}
inline void B()
{ t=(a+b)/2;
 cout<<"The average of two number is "<<t;
 cout<<"\n";
}
};
void main()
{ clrscr();
A obj1,obj2(3,4);
obj1.B();
obj2.B();
getch();
}

Q. Sum of n natural number ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int s,a[10],i;
public:
A()
{ s=0;
}
inline void B()
{ cout<<"Enter vlaues:\n";
 for(i=0;i<10;i++)
 { cin>>a[i];
   s=s+a[i];
 }
}
inline void C()
{ B();
 cout<<"The sum of all number is "<<s;
}
};
void main()
{ clrscr();
A obj;
obj.C();
getch();
}

Q. Calculating grades of a student ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class A
{ int r,p;
char s[100];
public:
inline void B()
{ cout<<"Enter your name:";
 gets(s);
 cout<<"Enter your roll number:";
 cin>>r;
 cout<<"Enter your percentage:";
 cin>>p;
}
inline void C()
{ if(p<=40)
 cout<<"Your grade is D\n";
 if(p>40&&p<=60)
 cout<<"Your grade is C\n";
 if(p>60&&p<=80)
 cout<<"Your grade is B\n";
 if(p>80)
 cout<<"Your grade is A\n";
}
};
void main()
{       int i;
clrscr();
A obj[5];
for(i=0;i<5;i++)
{ obj[i].B();
 obj[i].C();
}
getch();
}

Q. Calculating monthly sales ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int a[10],t,i;
public:
void B();
void C();
};
void A::B()
{       t=0;
cout<<"Enter your monthly sales:\n";
for(i=0;i<10;i++)
{ cin>>a[i];
 t=t+a[i];
}
}
void A::C()
{       cout<<"Total amount of monthly sales:";
cout<<t;
}
void main()
{ clrscr();
A obj;
obj.B();
obj.C();
getch();
}

Q. Divisibility of a number ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ int n,i;
public:
void B()
{ cout<<"Enter a number=";
 cin>>n;
}
void C()
{ for(i=1;i<=n;i++)
 if(n%i==0)
 cout<<"\nDivisible by "<<i;
}
};
void main()
{ clrscr();
A obj;
obj.B();
obj.C();
getch();
}

Q. Convert kilogram to gram ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ float k,g;
public:
void B();
void C();
};
inline void A::B()
{ cout<<"Enter value in kg:";
cin>>k;
}
inline void A::C()
{       B();
g=k*1000;
cout<<"The value in gram is "<<g;
}
void main()
{ clrscr();
A obj;
obj.C();
getch();
}

Q. Calculate 3 subject marks ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ float p,c,m,n,t;
char s[20];
public:
void B();
void C();
};
void A::B()
{ cout<<"Enter your name:";
cin>>s;
cout<<"Enter your roll number:";
cin>>n;
}
void A::C()
{       cout<<"Enter your subjectes marks out of 100\n";
cout<<"Enter your Physics marks:";
cin>>p;
cout<<"Enter your Chemistry marks:";
cin>>c;
cout<<"Enter your Mathematics marks:";
cin>>m;
t=(p+m+c)/3;
cout.precision(2);
cout<<"Your percentage is "<<t<<"%";
}
void main()
{ clrscr();
A obj;
obj.B();
obj.C();
getch();
}

Q. Calculate its factorial ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class A
{ long int n,i,f;
public:
void B();
};
void A::B()
{       f=1;
cout<<"Enter n=";
cin>>n;
for(i=1;i<=n;i++)
f=f*i;
cout<<"Factorial of "<<n<<" is "<<f;
}
void main()
{ clrscr();
A obj;
obj.B();
getch();
}

Q. Calculate simple interest ?

THE OUTPUT WOULD BE

#include<iostream.h>
#include<conio.h>
class simple
{ float p,r,t,s;
public:
void interest();
};
void simple::interest()
{ cout<<"Enter Amount: ";
cin>>p;
cout<<"Enter Rate: ";
cin>>r;
cout<<"Enter Time: ";
cin>>t;
s=(p*r*t)/100;
cout<<"Simple Interest="<<s;
}
void main()
{ clrscr();
simple obj;
obj.interest();
getch();
}