Puzzled PRiNCE's Activity
Puzzled PRiNCE added a question in New Logic/Math Puzzlesconsumption of tea and coffee in DrinkvilleTwo surveys were published by two separate marketing organisations on consumption of tea and coffee in Drinkville.
The first organisation interviewed 100 people and the results showed that
78 of them drink coffee
71 of them drink tea
48 of them drink both coffee and tea.
The second organisation interviewed 115 people and the results showed that
91 of them drink coffee
82 of them drink tea
58 of them drink both coffee and tea
Which of these two results are not correct? Justify your answer
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