alleryजर P = {1, 2, 3, 4, 5} आणि Q = {4, 5, 6, 7} असेल, तर P मध्ये आहेत पण Q मध्ये नाहीत असे किती घटक आहेत?
A2
B4
C3
D5
Answer & Solution
Correct answer: C. 3
P मधून सामाईक असलेले 4 आणि 5 काढून टाकल्यास 1, 2 आणि 3 उरतात.
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