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A 40-litre mixture contains milk and water in the ratio 3 : 1. How much water must be added to make the ratio of milk to water 3 : 2?

1046Medium DSSSB TGT Computer Science 0 replies 1 views
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A 40-litre mixture contains milk and water in the ratio 3 : 1. How much water must be added to make the ratio of milk to water 3 : 2?

  • A10 litres
  • B8 litres
  • C5 litres
  • D12 litres
Correct answer: A

Explanation

Milk = 30 L and water = 10 L; for 3 : 2 the water must be 20 L, so 10 L is to be added.
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