alleryजर 45 लोकांना चहा आवडतो आणि त्यांपैकी 18 लोकांना कॉफीही आवडते, तर किती लोकांना चहा आवडतो पण कॉफी नाही?
A33
B18
C27
D63
Answer & Solution
Correct answer: C. 27
फक्त चहा आवडणारे लोक हे चहाच्या वर्तुळात असतात परंतु सामाईक भागाबाहेर असतात: 45 - 18 = 27.
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