Sets - Bounds on Set Cardinalities
Sets - Bounds on Set Cardinalities
IP 2
There are 35 customers at a dessert shop on one afternoon. 20 customers ordered chocolate cake and 15 ordered strawberry yoghurt. Find
- the greatest number of customers who could have ordered both desserts,
- the least number of customers who could have ordered only the chocolate cake,
- the greatest number of customers who ordered neither the chocolate cake nor the strawberry yoghurt.
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Answer:(i) \(15\) (ii) \(5\) (iii) \(15\)
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