Question

9. All 26 customers in a restaurant had either drinks,
snacks, or dinner. 18 had snacks, out of which 6
had only snacks, 4 had snacks and drinks but not
dinner, 2 had drinks and dinner but not snacks,
and 3 had snacks and dinner but not drinks. If 14
customers had drinks, find:
(i) how many customers had all three - drinks,
snacks as well as dinner
(ii
) how many customers had dinner but neither
snacks nor drinks
(ii) how many customers had only drinks​

Answer 1

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