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Question

Mathematics Question on Ratio

In a school, ratio of number of boys to that of girls was 6:5.6:5. In the next year, number of boys increased by 20%20\% and number of girls increased by 10%10\% resulting in an increase of 119119 students in the school. How many students were there in the school initially?

A

680680

B

750750

C

770770

D

780780

Answer

770770

Explanation

Solution

The correct option is (C) :770770