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16 litres of alcohol-water mixture in ratio 3 ∶ 1 is mixed with 20 litres of milk-water mixture in ratio 4 ∶ 1. Find the percentage of water in the new mixture.

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16 litres of alcohol-water mixture in ratio 3 ∶ 1 is mixed with 20 litres of milk-water mixture in ratio 4 ∶ 1. Find the percentage of water in the new mixture.


1). 18.18%
2). 22.22%
3). 28.57%
4). 33.33%


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1 answers

3 vote
Answered by on | Votes 3 |

Quantity of water in 16 litres of alcohol-water mixture = 1/4 × 16 = 4 litres

Quantity of water in 20 litres of milk-water mixture = 1/5 × 20 = 4 litres

Quantity of water in (16 + 20 = ) 36 litres of new mixture = 4 + 4 = 8 litres

∴ Required percentage = 8/36 × 100 = 22.22%

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