1.

The ratio of the number of boys to the number of girls in a school is 14 : 15. There are 27 more girls than boys. How many girls are there in this school? How many boys?

Answer»

Ratio of the number of boys to the number of girls = 14 : 15

Let girls be 15x & boys be 14x

Their difference = 15x – 14x = x = 27

Number of girls = 15x = 15 × 27 = 405

Number of boys = 14x = 14 × 27 = 378



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