alleryایک پائپ 8 گھنٹوں میں ٹینک کا دو تہائی حصہ بھرتا ہے۔ مکمل ٹینک کی ضرورت ہے۔
A14 گھنٹے
B12 گھنٹے
C16 گھنٹے
D10 گھنٹے
Answer & Solution
Correct answer: B. 12 گھنٹے
8 گھنٹوں میں دو تہائی کا مطلب ہے 4 گھنٹے میں ایک تہائی، لہذا 12 گھنٹے پورے۔
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