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Mathematics 7 Online
OpenStudy (anonymous):

A person buys milk at Rs. 9 per litre. He then adds water in it and sells at Rs. 10 per litre and had a gain of 25 %. Find the ratio of milk and water in the new mixture

OpenStudy (anonymous):

8:1

OpenStudy (anonymous):

|dw:1380095015690:dw|

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