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A mixture worth Rs 3.25 per kg is formed...

A mixture worth Rs 3.25 per kg is formed by mixing two types of salts, one costing Rs 3.10 per kg while the other Rs 3.60 per kg. In what ratio must they have been mixed?

A

`3:7`

B

`7:10`

C

`10:3`

D

`7:3`

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The correct Answer is:
D
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