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A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5 : 2. The quantity of milk in the mixture is :

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A mixture contains milk and water in the ratio 5 : 1. On adding 5 litres of water, the ratio of milk and water becomes 5 : 2. The quantity of milk in the mixture is :
1). 25 litres
2). 32.5 litres
3). 16 litres
4). 22.75 litres

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2 answers

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Answered by on | Votes 3 |
Answer for this question is option 1

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0 vote
Answered by on | Votes 0 |

Quantity of milk in the mixture
= 5x litres
Quantity of water = x litres
According to the question,
On adding 5 litres of water,

$\therefore\frac{5x}{x+5}$ = $\frac{5}{2}$

=> 10x = 5x + 25
=> 5x = 25

x = 5
 Required quantity of milk
= 5 × 5 = 25 litres




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