allery60 افراد کے گروپ میں 35 کو چائے، 30 کو کافی پسند ہے، اور 10 کو نہ چائے پسند ہے نہ کافی۔ دونوں پسند کرنے والے کتنے افراد ہیں؟
A25
B10
C15
D20
Answer & Solution
Correct answer: C. 15
50 لوگ کم از کم ایک مشروب پسند کرتے ہیں، لہذا دونوں = 35 + 30 - 50 = 15۔
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