The ratio of the numbers of boys and girls of a school with 504 students is 13 : 11. What will be the new ratio if 12 more girls are admitted? - Study24x7
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The ratio of the numbers of boys and girls of a school with 504 students is 13 : 11. What will be the new ratio if 12 more girls are admitted?

A

91 : 81

B

81 : 91

C

9 : 10

D

10 : 9

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