Question

20 L of a mixture contain milk and water in the ratio 5:3. If 4 L of the mixture are replaced by 4 L of milk, the ratio of milk to
water in the new mixture will become?


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Answer 1

Answer:

20 litres of mixture in the ratio 5:3. 20/8 = 2.5. So 5*2.5=12.5 litres of milk.

Answer 2

$\huge\mathbb{SOLUTION:-}$

Given:-

• 20 litre of a mixture contains milk and water in the ratio 5 : 3.

Need to find:-

• If the mixture is replaced by 4 litre of milk, the ratio of milk to water in the new mixture.

Explaination:-

• According to the question 20L of a mixture is replaced by 4L. Then 16L of the mixture is remained.

➠ The remaining 16 L of the mixture contain,

$16 \times \frac{5}{8} = 10l$

And it contain water = 6 L

➠ Now, milk in new mixture = 10+4 = 14L and water in it = 6L

• Hence ratio of milk and water in new mixture is 14 : 6 ➠ 7 : 3.