ArithmeticQuestion 312 of 550

Concentrated juice is mixed with water in the ratio 1 : 4. How many litres of water are in 20 litres of the mixture?

  1. 4 litres
  2. 16 litres
  3. 5 litres
  4. 15 litres
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Correct answer: 16 litres

Water is 4 of every 5 parts. So the water = 20 × 4/5 = 16 litres.

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Questions last reviewed: 21 October 2026