Direction: The following line graph shows the number of Peoples who are working in certain institute and speaks four different language. Study the following data and answer the following questions:

The ratio of the number of people who speaks Marathi language and the number of people who speaks Tamil language on both days - 3 :

Options

A. `3:1`
B. `1:7`
C. `4:7`
D. `7:3`