Mathematics · Mixtures and Alligations

A 40 litre solution contains 25% salt. How many litres of water must be evaporated so that the concentration of salt becomes 40%?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

120 L
218 L
315 L✓
412 L

Correct answer

15 L

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A 40 litre solution contains 25% salt. How many litres of water must be evaporated so that the concentration of salt becomes 40%?

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A 40 litre solution contains 25% salt. How many litres of water must be evaporated so that the concentration of salt becomes 40%?

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