medium · GMAT Quant
A catering service prepares meals for 120 guests. 65 want Chicken, 55 want Fish, and 45 want Vegan options. The pairwise overlaps are: 25 want both Chicken and Fish, 20 want both Fish and Vegan, and 15 want both Chicken and Vegan. Exactly 10 guests are flexible and will eat any of the three.
How many guests want only Fish?
- 10
- 55
- 30
- 20
- 15
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