Question 2345

  In the example, you know the percentage(here it is 4%) and the amount/number  (here in this case, 394,019.13) but don't know the percentage amount. Then what 
you do is as below:-
      
                 {{{4/100}}}*394,019.13  i.e.
                 = 15,760.76(rounded off)
 
   In the same way, if we are given the percentage amount and percentage, we have to do it as below taking the above example.
 
                 {{{100/4}}}*15,760.76  i.e
                 = 394,019.00
  So write the percentage & 100 upside down as the case may be to get the correct answer.  Here, there is a difference of 0.13 in  the number/amount just because you have rounded off the percentage amount.  Still if you want the correct amount, you have to use the log and antilog tables.  I don't know in which standard/class/grade you are in.  O.K.

G.S.M