Question:In a college, the ratio of the number of boys to girls is `8 : 5`. If there are `160` girls, the total number of students in the college is :
A `100`
B `250`
C `260`
D `416`
/107
+ Answer
D
+ ExplanationLet the number of boys and girls be `8x` and `5x`.
Then , total number of students `= 13x`.
Now, `5x = 160`
`iff x = 32`.
`:.` Total number of students `= 13x `
`= 13 xx 32`
`= 416`.