Arithmeticmedium · Past Paper
In a mixture of 30L, ratio of acid to water is 2:3. How much water must be added to make it 2:5?
A12L
B10L
C15L
D18L
✓ Correct Answer: A — 12L
Initially: Acid=12, Water=18. To make it 2:5, Acid:Water = 12:x. 2/5 = 12/x => x=30. Added water = 30-18=12L.
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