Question

Using a while loop and \t output the following table (YOU CAN NOT USE ALL printf statements):

Number Table COL-1 COL-2 COL-3 COL-4

1 2 4 6

3 6 12 18

5 10 20 30

7 14 28 42

im using c programming. I am having a hard time getting the numbers in the rows to align and the columns as well

Answer 1

/*******************************print.c****************************/

#include<stdio.h>

int main(){
  
   int i = 1,col1 = 1,col2 = 2,col3 = 4,col4 = 6;
   printf("\tCOL-1\tCOL-2\tCOL-3\tCOL-4\n");
   //while loop for print
   while(i<=4){
      
       printf("\t%d\t%d\t%d\t%d\n\n",col1,col2,col3,col4);
       col1+=2;
       col2+=4;
       col3+=8;
       col4+=12;
       i++;
   }
}

/************************output**************************/

Please let me know if you have any doubt or modify the answer, Thanks :)