The total number of students in a class is 65. If the total number of girls in class 35, then the ratio of the total number of boys to the number of girls is :
A7 : 6
B7 : 13
C13 : 7
D6 : 7
A7 : 6
B7 : 13
C13 : 7
D6 : 7
Related Questions:
The ratio of the number of boys in schools A and of B is 5 ∶ 7 and the ratio of the total number of students in A and B is 3 ∶ 4. If the number of girls in B is equal to 66 % of the total students in B, then what is the ratio of the number of girls in A and B?