Free Practice Question
PS · Problem Solving
605-655
Mixture
Two vessels A and B contain milk and water mixed in the ratio 8:5 and 5:2 respectively. The ratio in which these two mixtures be mixed to get a new mixture containing milk and water in the ratio 9:4
Answer Choices
Correct answer marked below2:7
Correct
B
5:2
C
3:5
D
5:7
E
6:7
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Explanation
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What it tests
Your ability to reason about weighted averages and the composition of mixtures.
Common trap
Averaging the percentages of two solutions without weighting by their volumes.
Details
Difficulty
605-655
Type
PS
Category