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In a school , 10% of the boys are same i...

In a school , `10%` of the boys are same in number as 1/4 th of the girls and `10%` of the grls are same in number as 1/25th of the boys .the ratio of boys to girls in that school is

A

`3 : 2`

B

`5 : 2`

C

`2 :1`

D

`4 : 3`

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