Question

In a school 10% of the boys are same in number as 1/ 4th of the girls. What is the ratio of boys to girls in the school ?

Answer 1

HERE IS YOUR ANSWER
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Let the number of boys in school be b

Let the number of girls in school be g.

Therefore , According to Question , 10% of boys is equal to 1/4 of girls→

10b/100 = 1g/4

or, 4×10b = 100×g

or, 40b = 100g

or, b/g = 100/40

or, b:g = 5:2

Answer→ Ratio of boys to girls is 5:2.

Answer 2

let the no of boys be x
10%×x = x/10
1/4of boys = girls
1/4×x = x/4
ratio = x/10/x/4
4/10 = 2:5