medium · GMAT Quant
In a logistics company, 60% of shipments go by sea, 50% by air, and 40% by land. 30% use both sea and air, 20% use both sea and land, and 15% use both air and land; 10% use all three modes.
What percentage of shipments use none of these three modes?
- 5%
- 15%
- 0%
- 10%
- 25%
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