The data given in table shows the no. of boys and girls enrolled 3 different colleges in 5 years.

What is the ratio of no. of Boys in College A in all years to no. of Girls in college in all years?

1 : 1

        A (2013 - 2017)         :           A (2013 - 2017)

               (Boys)                                    (Girls)

(48 + 42 + 45 + 39 + 36)   :   (36 + 43 + 42 + 46 + 43)

                              210      :       210

                                  1      :       1