Ans:
#include<conio.h>
                #include<stdio.h>
                #include<string.h>
                #include<iostream.h>
                class Tour
                {
                char TCode[21]; 
                int NoofAdults,NoofKids,Kilometres; 
                float TotalFare;
                public: Tour( ) strcpy(TCode,"NULL");
                {
                NoofAdults=NoofKids=Kilometres=TotalFare=0; 
                } 
                void AssignFare( )
                if(Kilometres>=1000) 
                { 
                TotalFare=NoofAdults*500+NoofKids*250; 
                else if(Kilometres>=500) TotalFare=NoofAdults*300+NoofKids*150;
                else TotalFare=NoofAdults*200+NoofKids*100;
                }
                void EnterTour( ) 
                cout<<"\nEnter the Tour Code: "; 
                { 
                gets(TCode);
                cout<<"\nEnter the Number of Adults: "; 
                cin>>NoofAdults; 
                cout<<"\nEnter the Number of Kids: "; 
                cin>>NoofKids; 
                cout<<"\nEnter the Number of Kilometres: ";
                cin>>Kilometres; AssignFare( );
                } 
                void ShowTour( )
                {
                cout<<"\nThe Tour Code: "<<TCode; 
                cout<<"\nThe Number of Adults: "<<NoofAdults; 
                cout<<"\nThe Number of Kids: "<<NoofKids; 
                cout<<"\nThe Number of Kilometres: "<<Kilometres; 
                cout<<"\n\nThe Total Fare: "<<TotalFare;
                } 
                };
                void main( )
                { 
                clrscr(); 
                Tour T; 
                T.EnterTour( );
                T.ShowTour( ); 
                getch();
                }