alleryतीन अलग-अलग समूहों में क्रमशः 20, 15 और 10 सदस्य हैं, जिनमें कोई भी सदस्य उभयनिष्ठ नहीं है। तीनों समूहों को मिलाकर कुल कितने सदस्य हैं?
A30
B40
C35
D45
Answer & Solution
Correct answer: D. 45
कोई भी सदस्य उभयनिष्ठ न होने के कारण, कुल योग केवल साधारण जोड़ है: 20 + 15 + 10 = 45।
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