A میں 12 دن اور B 24 دن لگتے ہیں۔ A کام ختم ہونے سے دن پہلے 3 چھوڑ دیتا ہے۔ کل وقت تھا۔
A10 دن
B9 دن
C12 دن
D8 دن
Answer & Solution
Correct answer: A. 10 دن
B x دن کام کرتا ہے اور A کام کرتا ہے x - 3: x/24 + (x-3)/12 = 1 x = 10 دن دیتا ہے۔
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