Question

In class X of a school, the ratio of the number of boys to that of the girls is 4:3.If there were 20 more boys and 12 less girls,then the ratio would have been 2:1.How many students were there in the class?


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Answer 1

Step-by-step explanation:

Let the number of boys be 4x and girls be 3x

Given

3x−12

4x+20/ 3x−12= 2/1

4x+20=6x−24

2x=44

x=22

So number of boys =88

Number of girls =66