allery80 لوگوں میں سے، 50 انگریزی پڑھتے ہیں، 40 ہندی پڑھتے ہیں اور 15 دونوں نہیں پڑھتے ہیں۔ دونوں کو کتنے نے پڑھا؟
A25
B15
C35
D30
Answer & Solution
Correct answer: A. 25
کم از کم ایک زبان: 80 - 15 = 65، تو دونوں = 50 + 40 - 65 = 25۔
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