alleryپائپ P پائپ Q سے تین گنا تیز ہے، اور دونوں 12 منٹ میں ٹینک کو بھرتے ہیں۔ Q اکیلے کی ضرورت ہے۔
A36 منٹ
B48 منٹ
C42 منٹ
D60 منٹ
Answer & Solution
Correct answer: B. 48 منٹ
قیمتیں 3x اور x دیتے ہیں 4x = 1/12، لہذا x = 1/48 اور Q میں اکیلے 48 منٹ لگتے ہیں۔
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