allery72 विद्यार्थ्यांपैकी 40 गायन करतात, 32 नृत्य करतात आणि 12 दोन्ही करतात. या दोन्हींपैकी किमान एका प्रकारात किती विद्यार्थी भाग घेतात?
A64
B60
C58
D66
Answer & Solution
Correct answer: B. 60
संयोग संच = 40 + 32 - 12 = 60 विद्यार्थी.
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