the ratio of the number of boys and girls in a college is 7 : 8. if the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?

21:22

cannot be determined

8:09

17:18

the ratio of the number of boys and girls in a college is 7 : 8. if the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?

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