9: Write a program to calculate the sum of the following series (1+2+3………………….+100 )
    

         integer i,sum
         sum=0
         i=1
30     sum=sum+i
         i=i+1
         if(i.LE.100) GOTO 30
         write(*,*)'Sum of series = ',sum
         stop
         end



                                                                                          



10: Write a program to calculate the sum of the following series (1+3+5…………….97+99 )


         integer i,sum
         sum=0
         i=1
30     sum=sum+i
         i=i+2
         if(i.LE.99)GOTO 30
         write(*,*)'Sum of series = ',sum
         stop
         end