allery50 विद्यार्थ्यांच्या एका वर्गात, 30 जण क्रिकेट खेळतात आणि 25 जण फुटबॉल खेळतात. 10 जण दोन्ही खेळ खेळतात. कोणताही खेळ न खेळणारे किती विद्यार्थी आहेत?
A5
B15
C20
D10
Answer & Solution
Correct answer: A. 5
किमान एक खेळ खेळणारे (union) = 30 + 25 - 10 = 45. कोणताही खेळ न खेळणारे = 50 - 45 = 5.
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