Pie-chart shows the distribution of percentage of students in various courses.
Total number of students is 1400

Percentage-wise distribution of number of boys:

What is the ratio of number of girls in B.Sc. Maths to number of boys in B.Sc. C. Sci.?

3 : 4

Number of girls in B.Sc Maths   :   Number of boys in B.Sc. C. Sci

     \(\frac{3}{5}\) × 1400       :   \(\frac{4}{5}\) × 1400

                          3                  :             4