20 litres of a mixture contains milk and water in the ratio of 3 ∶ 1. Then the amount of water in the mixture is

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  1. 6 litres
  2. 4 litres
  3. 5 litres
  4. 8 litres

Answer (Detailed Solution Below)

Option 3 : 5 litres
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Bihar Police Prohibition Constable हिंदी (मॉक टेस्ट)
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Detailed Solution

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Given:

20 litres of a mixture contains milk and water in a ratio 3 : 1. 

Calculation:

In 20 litres of mixture

Quantity of milk

⇒ (3/4) × 20 = 15 litres

Quantity of water

⇒ (1/4) × 20 = 5 litres

∴ The answer is 5 litres.

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