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The ratio of the number of boys to the n...

The ratio of the number of boys to the number of girls in a school of 640 students, is `5 : 3`. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of the girls, becomes `14 : 9`.

A

15

B

30

C

20

D

25

Text Solution

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The correct Answer is:
C
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