Study the following table and answer the question:

Number of students enrolled for Vocational Courses (VC) in five institutes - A, B, C, D & E.

The ratio of the total number of students enrolled for VC in institutes A, C and E in 2016 to the total number of students enrolled in institutes B and D in 2018, is

3 : 2

Students for VC in A,C & E in 2016  :  Students in B & D in 2018

      ( 135 + 138 + 147)                  :       ( 142 + 138)

                  420                             :             280

                   3                                :              2