hard · GMAT Quant
A retail store chain evaluates 240 branch locations for three operational upgrades: Self-Checkout Kiosks, Automated Inventory, and Mobile POS. Every location has at least one upgrade. 150 have Self-Checkout Kiosks, 130 have Automated Inventory, and 110 have Mobile POS. If 28 locations have all three upgrades
How many locations have exactly one upgrade?
- 118
- 94
- 150
- 90
- 62
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