The following pie-chart shows percentage wise distribution of teachers of in six different subjects in a school. Total number of teachers = 1800

The ratio of the number of teachers in Hindi to the number of teachers in English and Mathematics together is:

4 : 11

Number of teachers in Hindi  :    Number of teachers in english & maths together

                       12%            :          ( 18% + 15% ) 

                        12              :                33

                        3                :                11