hard · GMAT Quant
A quality control division tests 300 manufactured components for three failure modes: surface scratches, dimensional deviation, and material impurities. Surface scratches are identified on 160 components, dimensional deviation on 140, and material impurities on 120. Exactly 40 components exhibit none of these defects, and 25 components exhibit all three defects.
How many components exhibit exactly one defect?
- 125
- 110
- 100
- 205
- 150
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