Mathematics · Mixtures and Alligations
A 100-litre solution contains acid and water in the ratio 3:2. Some quantity of this solution is removed and replaced with pure acid. If the final ratio of acid to water becomes 7:3, how many litres of solution were replaced?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135 litres
- 225 litres✓
- 350 litres
- 420 litres
Correct answer
25 litres
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