Multiple Choice Questions

A mixture of 90 litres of wine and water contains 60 wine How many litres of wine must be added to t...........

Qunatitative Aptitude (RBI Ast) Mixture and Alligation

A mixture of 90 litres of wine and water contains 60% wine. How many litres of wine must be added to this mixture to make it 62.5% wine solution?

let water=X
wine=90-x
=>(90-X)*60/100=X
=>X=33.75(water)
wine=56.25
again, 56.25+X=(90+X)*60/100
=>X=6

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