In a city, 75% of population is literate in which ratio of male to female is 9:5. And ratio of illiterate male to female is 3:2 . Find the ratio of literate female to illiterate female in that city .

Options

A. `2.7:2`
B. `2:1`
C. `2.7:1`
D. `4:1`

Answer

C

Explanation

Let the total population of that city be 100 x
Then literate populatiion =75x
Literate male `=75x xx (9)/(14)=48x `
Literate female =27x
Illiterate population =25x
Illiterate female `=25x xx (2)/(5) = 10 x`
Required ratio `=(27x)/(10x)=2.7:1`