Free Practice Question
PS · Problem Solving
505-555
Mixture
A grocer's wheat stock has 12% of it being low quality. If 200 kgs of this wheat is present, how much good quality wheat must be added so that the low quality wheat constitutes only 6% of the total?
Answer Choices
Correct answer marked belowA
100
B
120
C
160
200
Correct
E
220
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Explanation
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Official Explanation
Official
The grocer's wheat stock has 12% low quality wheat. In 200 kgs of this wheat, the amount of low quality wheat is calculated as 12% of 200, which equals 24 kgs. To find out how much good quality wheat needs to be added so that…
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Comments
2
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M
MirzebeyevaFeb 14, 2024
Great explanation
G
GauravJul 8, 2024
Good question
What this question tests
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
505-555
Type
PS
Category