alleryسیٹ A میں 30 اراکین ہیں، سیٹ B میں 25 ہے اور پورے گروپ میں 40 ہے۔ کم سے کم ممکنہ اوورلیپ کیا ہے؟
A0
B10
C5
D15
Answer & Solution
Correct answer: D. 15
یونین 40 سے زیادہ نہیں ہو سکتی، اس لیے اوورلیپ کم از کم 30 + 25 - 40 = 15 ہے۔
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