The ratio of milk and water in the container is 3: 2 and when 10 litres of the mixture is taken out and is replaced by water the ratio becomes 2: 3. The total quantity of the mixture in the container is.

15 ltr

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10 ltr

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12 ltr

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30 kg

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Solution

The correct option is D 30 kg
Suppose the total quantity is x litres.

So, the required ratio 2: 3

$\frac{3 x - 6}{2 x + 6} = \frac{2}{3} \Rightarrow x = 10 \Rightarrow 3 x = 30$

So, the quantity of the mixture was 30 ltr.

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The ratio of milk and water in the container is 3: 2 and when 10 litres of the mixture is taken out and is replaced by water the ratio becomes 2: 3. The total quantity of the mixture in the container is.

The correct option is D 30 kgSuppose the total quantity is x litres. So, the required ratio 2: 3 3x−62x+6=23⇒x=10⇒3x=30 So, the quantity of the mixture was 30 ltr.

The correct option is D 30 kg
Suppose the total quantity is x litres.

So, the required ratio 2: 3

$\frac{3 x - 6}{2 x + 6} = \frac{2}{3} \Rightarrow x = 10 \Rightarrow 3 x = 30$

So, the quantity of the mixture was 30 ltr.