The number of students enrolled in different streams at Senior Secondary level in five schools is shown in the bar graph. What is the ratio of the number of students of science stream of schools A, B and D taken together to the number of students of vocational stream in schools B, D and E taken together?

89 : 65

Number of students of science stream of schools A, B and D  :   Number of students of vocational stream in schools B, D and E 

 ( 60 + 78 + 40 )   :    ( 40 + 40 + 50 )

          178            :             130 

           89             :              65