allery70 کے ایک گروپ میں، 40 میگزین P، 30 میگزین Q اور 10 دونوں کو پڑھیں۔ کتنے لوگ بالکل ایک پڑھتے ہیں؟
A55
B50
C40
D45
Answer & Solution
Correct answer: B. 50
بالکل ایک = (40 - 10) + (30 - 10) = 50.
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