Question
Mathematics Question on Ratio
In a school, ratio of number of boys to that of girls was 6:5. In the next year, number of boys increased by 20% and number of girls increased by 10% resulting in an increase of 119 students in the school. How many students were there in the school initially?
A
680
B
750
C
770
D
780
Answer
770
Explanation
Solution
The correct option is (C) :770