Ch 8 answer by Harshit Yadav

     

 Sumita Arora Class --XI  C++ Answer Programme code 01

In this Blog You can find the answer program of chapter 8 which are important
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     CHAPTER – 8  (BY: Harshit Yadav)   (100%correct)

Q 28

//question 28 pg 246

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{    clrscr();

     unsigned int n;

     float x;

     cout<<"Enter the Base Value :";

     cin>>x;

     cout<<"\nEnter the value of power :";

     cin>>n;

     cout<<"\nThe Answer is :";

     cout<<pow(x,n);

     getch();

}

Q 29

//ques 29 page 246

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{    float t,a;

     clrscr();

     cout<<"Enter the principal amount:";

     cin>>a;

     cout<<"\nEnter the time period is :";

     cin>>t;

     cout<<"\nThe simple intrest according to the condition :";

     cout<<((t>10)?((a*8*t)/100):((a*12*t)/100));

     getch();

}

Q 30

//ques 31 pg 246

#include<iostream.h>

#include<conio.h>

#include<math.h>

void main()

{    int n;

     clrscr();

     cout<<"Enter The number :";

     cin>>n;

     cout<<"\nThe answer according to condition :";

     cout<<(((n%2)==1&&n==(unsigned)(int)n)?(sqrt(n)):(pow(n,5))

     );

     getch();

}

Q31

//ques 32 page 246

#include<iostream.h>

#include<conio.h>

void main()

{       float r,i;

     clrscr();

     cout<<"Enter the radius of the circle :";

     cin>>r;

     cout<<"\nEnter your choice either 1 or 2 :";

     cin>>i;

     cout<<"\nThe answer According to the logic is :";

     cout<<((i==1)?(3.14*r*r):((i==2)?(2*3.14*r):(0)));

     getch();

}

Q 32

//ques 33 pg 246

#include<iostream.h>

#include<conio.h>

void main()

{    clrscr();

     int a,b,c;

     cout<<"Enter the first value :";

     cin>>a;

     cout<<"\nEnter the second value :";

     cin>>b;

     cout<<"\nEnter the third value :";

     cin>>c;

     cout<<"\nThe greatest of all the three vlue is :";

     cout<<((a>b)&&(a>c)?(a):((b>c)&&(b>a)?(b):(c)));

     getch();

}

Q 34

//ques 34 pg 246

#include<iostream.h>

#include<conio.h>

void main()

{    int ca=0,ha=0;

     char c;

     clrscr();

     cout<<"enter the your choice between a and b :";

     cin>>c;

     cout<<"\nYour collage account balance is :";

     cout<<((c=='a')?(ca+200):(0));

     cout<<"\nYour Hostel account balance is :";

     cout<<((c=='b')?(ha+200):(0));

     getch();

}

Q 35

//ques 35 pg 246

#include<conio.h>

#include<iostream.h>

void main()

{    clrscr();

     char ch;

     cout<<"Enter the Character :";

     cin>>ch;

     (ch>=65&&ch<=90 || ch>=97&&ch<=122)?((ch>=65&&ch<=90)?

     cout<<"\nUpper case :"<<ch<<"\n lower case :"<<(char)(ch+32):

     cout<<"\nlower case :"<<ch<<"\n upper case :"<<(char)(ch-32)):

     cout<<"\nNot a Character :"<<ch;

     getch();

}