Study the given pie - chart and table carefully and answer the question that follows. The percentage wise distribution of lecturers in five different subjects in a university is shown in the pie chart.The total number of lecturers is 500.Ratio of male to female lecturers:LecturersMales : FemalesMathematics7 : 3Physics2 : 3Chemistry4 : 1Botany3 : 5Zoology2 : 5 What is the difference in the number of female lecturers in chemistry and Mathematics?

Study the given pie - chart and table carefully and answer the questio

1.	Study the given pie - chart and table carefully and answer the question that follows. The percentage wise distribution of lecturers in five different subjects in a university is shown in the pie chart.The total number of lecturers is 500.Ratio of male to female lecturers:LecturersMales : FemalesMathematics7 : 3Physics2 : 3Chemistry4 : 1Botany3 : 5Zoology2 : 5 What is the difference in the number of female lecturers in chemistry and Mathematics?
A.	30
B.	20
C.	22
D.	25
Answer» E.