Question
The ratio of the number of boys to the number of girls
in a school of 1650 students is 6 : 5. If 124 new boys are admitted and few new girls are admitted, the ratio changes to 4 : 3. What is the ratio of the newly admitted girls to the newly admitted boys?Solution
The ratio of boy’s numbers and girls’ numbers =6:5 Total students =11x ATQ- 11x =1650 x =150. Boys’ numbers =6×150=900. Girl’s numbers = 5×150=750. After coming 124 newsboys – (900+124)/750+x =4/3 3072 =3000+4x 4x=72 x=18 ratio of new girls and new boys =18:124 =9:62
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