allery100 लोकांपैकी, 30 जण केवळ संच P मध्ये आहेत, 25 केवळ संच Q मध्ये आहेत आणि 20 दोन्हीमध्ये आहेत. यांपैकी कोणत्याही संचात नसलेले किती लोक आहेत?
A45
B35
C25
D15
Answer & Solution
Correct answer: C. 25
वर्तुळांच्या आत: 30 + 25 + 20 = 75, म्हणून 100 - 75 = 25 वर्तुळांच्या बाहेर आहेत.
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