alleryایک ٹینک ایک چوتھائی بھرا ہوا ہے۔ ایک پائپ 12 گھنٹوں میں پورے ٹینک کو بھر دیتا ہے۔ باقی بھرتا ہے۔
A9 گھنٹے
B10 گھنٹے
C8 گھنٹے
D3 گھنٹے
Answer & Solution
Correct answer: A. 9 گھنٹے
تین چوتھائی باقی ہیں، جو کہ 3/4 x 12 = 9 گھنٹے ہیں۔
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