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Maths Puzzle
0%(A) and 97%(B) pure acid solutions are mixed to obtain 21.0 litre of 95% pure acid solution, find the amount of (B) to be mixed to form the mixture.
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- Ratio of 0%(A) and 97%(B) pure acid solutions to obtain 21.0 litre of 95% pure acid solution will be 2:95.
0% (A) means pure water. - 11 years agoHelpfull: Yes(0) No(0)
- 15 litres............. 90a+97b=1995 a+b=21 a=6 b=15
- 11 years agoHelpfull: Yes(0) No(0)
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