Question

WAP to print the series
1)1/2.3+2.1/2.3+3.2/3.4 + n

Answer 1

import java.io.*;

class quesans

{      public static void main()throws IOException

    {

        DataInputStream ak =new DataInputStream(System.in);

        System.out.println("ENTER NUMBER TILL U WANT SUM OF SERIES ");

        int n=Integer.parseInt(ak.readLine());

        double sum=0 ,cons= 2.3;                for(int i=1;i<=n;i++)        {

            sum+=i/cons;            cons=cons + 1.1;        }

        System.out.println("SUM Is="+sum); 
   
       }}
            

Answer 2

ANSWER
....................



int x = 2;

 int y = 1;

 int z = 100;

 /*

or use cin to get input

, this will be our 'n' aka the max range

*/ int sum = 0;

 while ( y < z)

{


 if ( y%x != 0)


{


 sum = sum + y;

 }

else

 {


 sum = sum - y;


 }

 y++;

}

 cout << sum;