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To m litres of a mass solution of acid, ...

To m litres of a mass solution of acid, x litres of water is mixed to yield (m-10)% solution of acid. if `m gt 25` , then x equals

A

`(10m)/(m-10)`

B

`(5m)/(m-10)`

C

`(2m)/(m-10)`

D

`(m)/(m-10)`

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The correct Answer is:
A
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